{"id":"CVE-2026-6873","aliases":["ALPINE-CVE-2026-6873","BIT-django-2026-6873","CLSA-2026-1787297407","CLSA-2026-1787300455","CLSA-2026-1787306714","CLSA-2026-1787551351","CLSA-2026-1788169795","CLSA-2026-1788335220","CLSA-2026-1788437939","CLSA-2026-1790667696","CLSA-2026-1790747802","CLSA-2026-1790832134","DEBIAN-CVE-2026-6873","EUVD-2026-34086","GHSA-h7pc-vwp9-298g","MGASA-2026-0324","OESA-2026-2659","OESA-2026-2660","OESA-2026-2661","OESA-2026-3074","PYSEC-2026-199","SUSE-SU-2026:2318-1","UBUNTU-CVE-2026-6873","openSUSE-SU-2026:10989-1","openSUSE-SU-2026:11002-1","openSUSE-SU-2026:11003-1","openSUSE-SU-2026:11270-1","openSUSE-SU-2026:20937-1"],"status":"published","title":"Signed cookie salt namespace collision in django.http.HttpRequest.get_signed_cookie","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this 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s://www.suse.com/security/cve/CVE-2019-19844","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-3498","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-6975","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-13254","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-13596","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-24583","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-24584","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-7471","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-9402","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-31542","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-32052","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-33203","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-33571","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-35042","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-45115","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-45452","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-22818","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-23833","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-28346","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-28347","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-34265","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-36359","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-41323","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-23969","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-24580","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-31047","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-36053","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-41164","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-43665","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-24680","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-27351","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-38875","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-39329","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-39330","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-39614","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-41989","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-41990","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-41991","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-42005","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45230","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-45231","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-53907","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-53908","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2024-56374","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13372","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13473","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-14550","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-26699","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27556","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-32873","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-48432","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-57833","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-59681","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-59682","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64459","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64460","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-1207","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-1285","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-1287","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-1312","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-25674","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-33033","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-33034","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-35192","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-3902","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-4277","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-4292","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-48588","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-53877","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-53878","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5766","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6907","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-6873","title":"Signed cookie salt namespace collision in django.http.HttpRequest.get_signed_cookie","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.","status":"published","published":"2026-06-03T13:16:03.924Z","modified":"2026-06-03T15:43:58.829Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"low","assessor":"cna"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T13:50:04.986624Z"}],"euvd":[{"id":"EUVD-2026-34086","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.","status":"published","published":"2026-06-03T13:16:03Z","modified":"2026-06-03T15:43:58Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"low"}],"updated_at":"2026-11-02T18:20:54.253343Z"}],"ghsa":[{"id":"GHSA-h7pc-vwp9-298g","title":"Django: signed cookies are vulnerable to salt namespace collisions","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.","status":"published","published":"2026-06-03T15:30:43Z","modified":"2026-08-07T20:04:30Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"low"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:40:58.888637Z"}],"nvd":[{"id":"CVE-2026-6873","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.","status":"published","published":"2026-06-03T14:16:46.483Z","modified":"2026-07-21T19:10:00.107Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:22.022466Z"}],"osv":[{"id":"ALPINE-CVE-2026-6873","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.","status":"published","published":"2026-06-03T14:16:46.483Z","modified":"2026-11-03T06:33:03.920295225Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T07:15:37.282377Z"},{"id":"CVE-2026-6873","title":"Signed cookie salt namespace collision in django.http.HttpRequest.get_signed_cookie","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.","status":"published","published":"2026-06-03T13:16:03.924Z","modified":"2026-10-28T02:31:09.112777492Z","cvss":[{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"low"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:45:14.808935Z"},{"id":"DEBIAN-CVE-2026-6873","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15. `django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Peng Zhou for reporting this issue.","status":"published","published":"2026-06-03T14:16:46.483Z","modified":"2026-10-01T03:02:56.542607405Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:46:02.094661Z"},{"id":"GHSA-h7pc-vwp9-298g","title":"Django: signed cookies are vulnerable to salt namespace collisions","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.","status":"published","published":"2026-06-03T15:30:43Z","modified":"2026-09-10T03:50:49.784603324Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"},{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"low"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:46:48.920784Z"},{"id":"OESA-2026-2659","title":"python-django security update","description":"A high-level Python Web framework that encourages rapid development and clean, pragmatic design.\r\n\r\nSecurity Fix(es):\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.middleware.cache.UpdateCacheMiddleware` in Django does not add `Authorization` to the `Vary` response header for requests bearing that header without `Cache-Control: public`, which allows remote attackers to read private cached responses via unauthenticated requests to the same URL.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Shai Berger for reporting this issue.(CVE-2026-35193)\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.utils.cache.has_vary_header()` in Django does not strip leading or trailing whitespace from `Vary` response header values before comparison, which allows remote attackers to read cached responses via requests to URLs whose responses contain whitespace-padded Vary header values.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Navid Rezazadeh for reporting this issue.(CVE-2026-48587)\n\nAn issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.(CVE-2026-6873)\n\nAn issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.core.mail.backends.smtp.EmailBackend` in Django fails to prevent reuse of a partially-initialized connection after a failed `STARTTLS` handshake when `fail_silently=True`, which allows on-path network attackers to read email content via cleartext interception.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Kasper Dupont for reporting this issue.(CVE-2026-7666)\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.middleware.cache.UpdateCacheMiddleware` in Django does not match `Cache-Control` response directives case-insensitively, which allows remote attackers to read responses that were incorrectly cached because their `Cache-Control` directives used uppercase or mixed-case values.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Ahmed Badawe for reporting this issue.(CVE-2026-8404)","status":"published","published":"2026-06-12T11:11:35Z","modified":"2026-08-18T01:20:04.54549431Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2660","title":"python-django security update","description":"A high-level Python Web framework that encourages rapid development and clean, pragmatic design.\r\n\r\nSecurity Fix(es):\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.middleware.cache.UpdateCacheMiddleware` in Django does not add `Authorization` to the `Vary` response header for requests bearing that header without `Cache-Control: public`, which allows remote attackers to read private cached responses via unauthenticated requests to the same URL.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Shai Berger for reporting this issue.(CVE-2026-35193)\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.utils.cache.has_vary_header()` in Django does not strip leading or trailing whitespace from `Vary` response header values before comparison, which allows remote attackers to read cached responses via requests to URLs whose responses contain whitespace-padded Vary header values.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Navid Rezazadeh for reporting this issue.(CVE-2026-48587)\n\nAn issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.(CVE-2026-6873)\n\nAn issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.core.mail.backends.smtp.EmailBackend` in Django fails to prevent reuse of a partially-initialized connection after a failed `STARTTLS` handshake when `fail_silently=True`, which allows on-path network attackers to read email content via cleartext interception.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Kasper Dupont for reporting this issue.(CVE-2026-7666)\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.middleware.cache.UpdateCacheMiddleware` in Django does not match `Cache-Control` response directives case-insensitively, which allows remote attackers to read responses that were incorrectly cached because their `Cache-Control` directives used uppercase or mixed-case values.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Ahmed Badawe for reporting this issue.(CVE-2026-8404)","status":"published","published":"2026-06-12T11:11:35Z","modified":"2026-08-18T01:20:05.050519709Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2661","title":"python-django security update","description":"A high-level Python Web framework that encourages rapid development and clean, pragmatic design.\r\n\r\nSecurity Fix(es):\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.middleware.cache.UpdateCacheMiddleware` in Django does not add `Authorization` to the `Vary` response header for requests bearing that header without `Cache-Control: public`, which allows remote attackers to read private cached responses via unauthenticated requests to the same URL.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Shai Berger for reporting this issue.(CVE-2026-35193)\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.utils.cache.has_vary_header()` in Django does not strip leading or trailing whitespace from `Vary` response header values before comparison, which allows remote attackers to read cached responses via requests to URLs whose responses contain whitespace-padded Vary header values.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Navid Rezazadeh for reporting this issue.(CVE-2026-48587)\n\nAn issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.(CVE-2026-6873)\n\nAn issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.core.mail.backends.smtp.EmailBackend` in Django fails to prevent reuse of a partially-initialized connection after a failed `STARTTLS` handshake when `fail_silently=True`, which allows on-path network attackers to read email content via cleartext interception.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Kasper Dupont for reporting this issue.(CVE-2026-7666)\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.middleware.cache.UpdateCacheMiddleware` in Django does not match `Cache-Control` response directives case-insensitively, which allows remote attackers to read responses that were incorrectly cached because their `Cache-Control` directives used uppercase or mixed-case values.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Ahmed Badawe for reporting this issue.(CVE-2026-8404)","status":"published","published":"2026-06-12T11:11:35Z","modified":"2026-08-18T01:20:05.006339043Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-3074","title":"python-django security update","description":"A high-level Python Web framework that encourages rapid development and clean, pragmatic design.\r\n\r\nSecurity Fix(es):\n\nThis issue was discovered in version 6.0, before 6.0.5, and before 5.2.14. If the session has not been modified, the cookie\u0026amp;#39;s response header does not change, but \u0026amp;quot;SESSION_SAVE_EVERY_REQUEST\u0026amp;quot; is \u0026amp;quot;true\u0026amp;quot;. A remote attacker could steal a user\u0026amp;#39;s session after the user visits a cached public page. Earlier unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) have not been evaluated and may also be affected. Django thanks Cantina for reporting this issue.(CVE-2026-35192)\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.middleware.cache.UpdateCacheMiddleware` in Django does not add `Authorization` to the `Vary` response header for requests bearing that header without `Cache-Control: public`, which allows remote attackers to read private cached responses via unauthenticated requests to the same URL.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Shai Berger for reporting this issue.(CVE-2026-35193)\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.utils.cache.has_vary_header()` in Django does not strip leading or trailing whitespace from `Vary` response header values before comparison, which allows remote attackers to read cached responses via requests to URLs whose responses contain whitespace-padded Vary header values.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Navid Rezazadeh for reporting this issue.(CVE-2026-48587)\n\nAn issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16.\n`UpdateCacheMiddleware` and the `cache_page()` decorator cache responses that vary on cookies when the incoming request carries unrelated cookies, which allows remote attackers to read private data from the shared cache.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Chris Whyland for reporting this issue.(CVE-2026-48588)\n\nAn issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16.\n`django.contrib.gis.gdal.GDALRaster` over-reads its in-memory buffer when constructed from a bytes object, which can disclose adjacent memory or cause service degradation via a potential segmentation fault when the `vsi_buffer` property is accessed.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Bence Nagy for reporting this issue.(CVE-2026-53877)\n\nWhen processing ASGI requests, if the Content-Length request header is deliberately omitted in a malicious request, or a false value is provided that is much smaller than the actual file, the system will be deceived, thereby bypassing Django\u0026apos;s built-in FILE_UPLOAD_MAX_MEMORY_SIZE (maximum memory file upload limit)(CVE-2026-5766)\n\nAn issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.(CVE-2026-6873)\n\n处理 ASGI 请求时，如果请求中缺少 Content-Length 请求头，或者人为提供了偏小的数值，就能绕过 Django 内置的 FILE_UPLOAD_MAX_MEMORY_SIZE（最大内存文件上传大小）限制(CVE-2026-6907)\n\nAn issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.core.mail.backends.smtp.EmailBackend` in Django fails to prevent reuse of a partially-initialized connection after a failed `STARTTLS` handshake when `fail_silently=True`, which allows on-path network attackers to read email content via cleartext interception.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Kasper Dupont for reporting this issue.(CVE-2026-7666)\n\nAn issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.\n`django.middleware.cache.UpdateCacheMiddleware` in Django does not match `Cache-Control` response directives case-insensitively, which allows remote attackers to read responses that were incorrectly cached because their `Cache-Control` directives used uppercase or mixed-case values.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Ahmed Badawe for reporting this issue.(CVE-2026-8404)","status":"published","published":"2026-07-19T11:11:57Z","modified":"2026-08-18T01:21:20.288819947Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:52:46.823443Z"},{"id":"PYSEC-2026-199","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.","status":"published","published":"2026-06-03T14:16:46.483Z","modified":"2026-08-10T11:00:08.352389982Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:55.537808Z"},{"id":"UBUNTU-CVE-2026-6873","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15. `django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Peng Zhou for reporting this issue.","status":"published","published":"2026-06-03T13:00:00Z","modified":"2026-10-17T13:00:42.230164093Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"},{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"low"}],"updated_at":"2026-11-02T16:56:57.159276Z"},{"id":"BIT-django-2026-6873","title":"Signed cookie salt namespace collision in django.http.HttpRequest.get_signed_cookie","description":"An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.\n`django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Peng Zhou for reporting this issue.","status":"published","published":"2026-06-06T08:39:22.32Z","modified":"2026-09-10T16:01:31.314905925Z","updated_at":"2026-11-02T15:28:29.152062Z"},{"id":"CLSA-2026-1787297407","title":"TuxCare security update for django (10 CVEs)","description":"TuxCare rebuilt django to address 10 CVEs. Fixed in 5.1.10.post2+tuxcare.","status":"published","published":"2026-08-21T07:30:07Z","modified":"2026-10-15T09:48:05.742179187Z","updated_at":"2026-11-02T15:43:47.20725Z"},{"id":"CLSA-2026-1787300455","title":"TuxCare security update for django (11 CVEs)","description":"TuxCare rebuilt django to address 11 CVEs. Fixed in 5.1.9.post3+tuxcare.","status":"published","published":"2026-08-21T08:20:55Z","modified":"2026-10-15T09:48:05.869138514Z","updated_at":"2026-11-02T15:43:47.20725Z"},{"id":"CLSA-2026-1787306714","title":"TuxCare security update for django (11 CVEs)","description":"TuxCare rebuilt django to address 11 CVEs. Fixed in 5.1.4.post3+tuxcare.","status":"published","published":"2026-08-21T10:05:14Z","modified":"2026-10-15T09:47:40.898180127Z","updated_at":"2026-11-02T15:43:47.20725Z"},{"id":"CLSA-2026-1787551351","title":"TuxCare security update for django (11 CVEs)","description":"TuxCare rebuilt django to address 11 CVEs. Fixed in 5.1.post5+tuxcare.","status":"published","published":"2026-08-24T06:02:31Z","modified":"2026-10-15T09:47:40.901579353Z","updated_at":"2026-11-02T15:43:47.20725Z"},{"id":"CLSA-2026-1788169795","title":"TuxCare security update for django (11 CVEs)","description":"TuxCare rebuilt django to address 11 CVEs. Fixed in 5.0.2.post6+tuxcare.","status":"published","published":"2026-08-31T09:49:55Z","modified":"2026-10-15T09:48:05.691944483Z","updated_at":"2026-11-02T15:43:47.591214Z"},{"id":"CLSA-2026-1788335220","title":"TuxCare security update for django (5 CVEs)","description":"TuxCare rebuilt django to address 5 CVEs. Fixed in 5.0.1.post7+tuxcare.","status":"published","published":"2026-09-02T07:47:00Z","modified":"2026-10-15T09:47:40.903832959Z","updated_at":"2026-11-02T15:43:47.591214Z"},{"id":"CLSA-2026-1788437939","title":"TuxCare security update for django (5 CVEs)","description":"TuxCare rebuilt django to address 5 CVEs. Fixed in 5.0.post10+tuxcare.","status":"published","published":"2026-09-03T12:18:59Z","modified":"2026-10-15T09:48:01.598993785Z","updated_at":"2026-11-02T15:43:47.591214Z"},{"id":"CLSA-2026-1790667696","title":"TuxCare security update for django (2 CVEs)","description":"TuxCare rebuilt django to address 2 CVEs. Fixed in 4.2.post13+tuxcare.","status":"published","published":"2026-09-29T07:41:36Z","modified":"2026-10-15T09:48:02.296992044Z","updated_at":"2026-11-02T15:43:48.65893Z"},{"id":"CLSA-2026-1790747802","title":"TuxCare security update for django (2 CVEs)","description":"TuxCare rebuilt django to address 2 CVEs. Fixed in 4.0.post22+tuxcare.","status":"published","published":"2026-09-30T05:56:42Z","modified":"2026-10-15T09:48:02.365088476Z","updated_at":"2026-11-02T15:43:48.65893Z"},{"id":"CLSA-2026-1790832134","title":"TuxCare security update for django (2 CVEs)","description":"TuxCare rebuilt django to address 2 CVEs. Fixed in 3.2.25.post8+tuxcare.","status":"published","published":"2026-10-01T05:22:14Z","modified":"2026-10-15T09:48:02.351067221Z","updated_at":"2026-11-02T15:43:48.65893Z"},{"id":"MGASA-2026-0324","title":"Updated python-django packages fix security vulnerabilities","description":"The updated package fixes security vulnerabilities:\nSigned cookie salt namespace collision in\n`django.http.HttpRequest.get_signed_cookie`. (CVE-2026-6873)\nPotential unencrypted email transmission via `STARTTLS` in the SMTP\nbackend. (CVE-2026-7666)\nPotential exposure of private data via case-sensitive `Cache-Control`\ndirectives in `UpdateCacheMiddleware`. (CVE-2026-8404)\nPotential exposure of private data via missing `Vary: Authorization` in\n`UpdateCacheMiddleware`. (CVE-2026-35193)\nPotential exposure of private data via whitespace padding in `Vary`\nheader. (CVE-2026-48587)\nPotential exposure of private data via cached `Set-Cookie` response.\n(CVE-2026-48588)\nHeap buffer over-read in `GDALRaster`. (CVE-2026-53877)\nHeader injection possibility since `DomainNameValidator` accepted\nnewlines in input. (CVE-2026-53878)\n","status":"published","published":"2026-08-07T06:29:31Z","modified":"2026-08-07T06:43:38.864269235Z","updated_at":"2026-11-02T15:49:43.795591Z"},{"id":"openSUSE-SU-2026:10989-1","title":"python311-Django4-4.2.30-3.1 on GA media","description":"These are all security issues fixed in the python311-Django4-4.2.30-3.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-06-09T00:00:00Z","modified":"2026-06-10T18:24:14.753103883Z","updated_at":"2026-11-02T16:58:38.95195Z"},{"id":"openSUSE-SU-2026:11002-1","title":"python311-Django-5.2.15-1.1 on GA media","description":"These are all security issues fixed in the python311-Django-5.2.15-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-06-11T00:00:00Z","modified":"2026-06-12T08:45:08.610060891Z","updated_at":"2026-11-02T16:58:38.95195Z"},{"id":"openSUSE-SU-2026:11003-1","title":"python313-Django6-6.0.6-1.1 on GA media","description":"These are all security issues fixed in the python313-Django6-6.0.6-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-06-11T00:00:00Z","modified":"2026-06-12T08:45:08.604742453Z","updated_at":"2026-11-02T16:58:38.95195Z"},{"id":"openSUSE-SU-2026:11270-1","title":"python313-Django5-5.2.16-1.1 on GA media","description":"These are all security issues fixed in the python313-Django5-5.2.16-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-07-14T00:00:00Z","modified":"2026-07-15T10:00:11.454078308Z","updated_at":"2026-11-02T16:58:38.95195Z"},{"id":"openSUSE-SU-2026:20937-1","title":"Security update for python-Django","description":"This update for python-Django fixes the following issues:\n\nChanges in python-Django:\n\n- CVE-2026-6873: Signed cookie salt namespace collision (bsc#1267578)\n- CVE-2026-7666: Potential unencrypted email transmission via STARTTLS in the SMTP backend (bsc#1267579)\n- CVE-2026-8404: Potential exposure of private data via case-sensitive Cache-Control directives (bsc#1267580)\n- CVE-2026-35193: Potential exposure of private data via missing Vary: Authorization (bsc#1267576)\n- CVE-2026-48587: Potential exposure of private data via whitespace padding in Vary header (bsc#1267577)\n","status":"published","published":"2026-06-10T12:31:15Z","modified":"2026-06-13T18:24:19.273008391Z","updated_at":"2026-11-02T16:58:41.885092Z"},{"id":"SUSE-SU-2026:2318-1","title":"Security update for python-Django","description":"This update for python-Django fixes the following issues\n\n- CVE-2026-6873: signed cookie salt namespace collision in `django.http.HttpRequest.get_signed_cookie` (bsc#1267578).\n- CVE-2026-7666: potential unencrypted email transmission via `STARTTLS` in the SMTP backend (bsc#1267579).\n- CVE-2026-8404: potential exposure of private data via case-sensitive `Cache-Control` directives in\n  `UpdateCacheMiddleware` (bsc#1267580).\n- CVE-2026-35193: potential exposure of private data via missing `Vary: Authorization` in `UpdateCacheMiddleware`\n  (bsc#1267576).\n- CVE-2026-48587: potential exposure of private data via whitespace padding in `Vary` header (bsc#1267577).\n","status":"published","published":"2026-06-09T13:22:04Z","modified":"2026-06-10T18:24:12.358422482Z","updated_at":"2026-11-02T15:54:03.503431Z"}]}}