{"id":"CVE-2026-82208","aliases":["ALPINE-CVE-2026-82208","AZL-99756","AZL-99798","AZL-99840","AZL-99849","BELL-CVE-2026-82208","CURL-CVE-2026-82208","DEBIAN-CVE-2026-82208","EUVD-2026-72152","GHSA-8rq8-f59m-9cjg","MGASA-2026-0515","ROOT-OS-ALPINE-320-CVE-2026-82208","ROOT-OS-ALPINE-321-CVE-2026-82208","ROOT-OS-ALPINE-322-CVE-2026-82208","UBUNTU-CVE-2026-82208"],"status":"published","title":"wolfSSL CA-cache hit overrides callback","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00407,"percentile":0.35358,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2026-09-02T00:00:00Z","modified":"2026-11-03T12:15:08Z","fixes":[{"ecosystem":"Alpine:v3.23","package":"curl","fixed_in":["8.22.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"curl","fixed_in":["8.22.0-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:23","package":"curl","fixed_in":["8.22.0-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:25","package":"curl","fixed_in":["8.22.0-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:stream","package":"curl","fixed_in":["8.22.0-r0"],"sources":["osv"]},{"ecosystem":"BellSoft Hardened 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Advisory","web"]},{"url":"https://curl.se/docs/CVE-2026-82208.html","tags":["Patch","Vendor Advisory","web","report"]},{"url":"https://hackerone.com/reports/3973090","tags":["Exploit","Mitigation","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82208","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-8rq8-f59m-9cjg"},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-82208","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2026-82208","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82208.json","tags":["advisory"]},{"url":"https://github.com/curl/curl.git","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-82208","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2026-0515.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=36250","tags":["report"]},{"url":"https://curl.se/docs/security.html","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2026-82208","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-82208","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-82208","title":"wolfSSL CA-cache hit overrides callback","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","status":"published","published":"2026-09-06T17:49:16.014Z","modified":"2026-09-15T06:03:14.795Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-295","CWE-295"],"updated_at":"2026-11-02T13:40:46.161838Z"}],"euvd":[{"id":"EUVD-2026-72152","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","status":"published","published":"2026-09-06T17:49:16Z","modified":"2026-09-15T06:03:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T17:28:19.01786Z"}],"ghsa":[{"id":"GHSA-8rq8-f59m-9cjg","title":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback...","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","status":"published","published":"2026-09-06T18:34:39Z","modified":"2026-09-08T21:34:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:11:35.275364Z"}],"nvd":[{"id":"CVE-2026-82208","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","status":"published","published":"2026-09-06T18:17:22.733Z","modified":"2026-09-15T07:16:31.05Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:12:44.082631Z"}],"osv":[{"id":"ALPINE-CVE-2026-82208","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","status":"published","published":"2026-09-06T18:17:22.733Z","modified":"2026-10-01T02:17:49.415743112Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:27:50.764331Z"},{"id":"BELL-CVE-2026-82208","status":"published","published":"2026-09-04T06:05:08.30267Z","modified":"2026-09-10T07:15:06.21715336Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:28:26.341144Z"},{"id":"CVE-2026-82208","title":"wolfSSL CA-cache hit overrides callback","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","status":"published","published":"2026-09-06T17:49:16.014Z","modified":"2026-10-28T11:00:41.219279541Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:45:18.131258Z"},{"id":"DEBIAN-CVE-2026-82208","description":"With the wolfSSL backend, when CA caching is enabled and an `CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can silently reinstall the cached store after the callback returns. A certificate trusted by the cached store but rejected by the callback-selected store is then incorrectly accepted.","status":"published","published":"2026-09-06T18:17:22.733Z","modified":"2026-10-01T03:03:43.765957263Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:46:04.577397Z"},{"id":"UBUNTU-CVE-2026-82208","description":"[Unknown description]","status":"withdrawn","published":"2026-09-02T00:00:00Z","modified":"2026-09-11T02:30:03.226002515Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T16:57:22.213888Z"},{"id":"AZL-99756","title":"CVE-2026-82208 affecting package curl 8.11.1-11","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","status":"published","published":"2026-09-06T18:17:22Z","modified":"2026-09-08T12:40:54.15977Z","updated_at":"2026-11-02T15:28:12.596039Z"},{"id":"AZL-99798","title":"CVE-2026-82208 affecting package mysql 8.0.46-1","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","status":"published","published":"2026-09-06T18:17:22Z","modified":"2026-09-08T12:39:32.938786Z","updated_at":"2026-11-02T15:28:12.596039Z"},{"id":"AZL-99840","title":"CVE-2026-82208 affecting package rust 1.75.0-30","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","status":"published","published":"2026-09-06T18:17:22Z","modified":"2026-09-08T12:42:31.687101Z","updated_at":"2026-11-02T15:28:12.596039Z"},{"id":"AZL-99849","title":"CVE-2026-82208 affecting package rust 1.90.0-10","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","status":"published","published":"2026-09-06T18:17:22Z","modified":"2026-09-08T12:42:34.673838Z","updated_at":"2026-11-02T15:28:12.596039Z"},{"id":"CURL-CVE-2026-82208","title":"wolfSSL CA-cache hit overrides callback","description":"With the wolfSSL backend, when CA caching is enabled and an\n`CURLOPT_SSL_CTX_FUNCTION` callback replaces the trust store, libcurl can\nsilently reinstall the cached store after the callback returns. A certificate\ntrusted by the cached store but rejected by the callback-selected store is\nthen incorrectly accepted.","status":"published","published":"2026-09-02T08:00:00Z","modified":"2026-10-25T01:05:17.362825665Z","updated_at":"2026-11-02T15:43:55.998148Z"},{"id":"MGASA-2026-0515","title":"Updated curl package fixes security vulnerabilities","description":"curl 8.23.0 has been released. It fixes 24 CVEs since 8.22.0, listed at\nhttps://curl.se/docs/security.html\nNot all of theses CVEs affect Mageia. Of the ones fixed in 8.23.0, these\nare the ones that do:\nCVE-2026-86410: redirect to SFTP or SCP bypasses host verification\nCVE-2026-86412: server-set cookie erases cookie jar\nCVE-2026-86413: Negotiate credentials sent to redirected origin\nCVE-2026-86414: leaking host credentials to HTTP proxy\nCVE-2026-86415: auto client cert connection reuse mixup\nCVE-2026-87861: cross-origin reuse of a Negotiate connection\nCVE-2026-87862: HSTS cache import drops longer-lived child\nCVE-2026-87863: HSTS response erases persisted entries\nCVE-2026-92386: server-set cookie aborts cookie jar load\nCVE-2026-92387: never-ending loop via server response omission\nCVE-2026-92388: FTP wildcard write callback mixup\nCVE-2026-92389: TFTP direction confusion\nCVE-2026-92390: -J no-clobber guarantee bypassed with 103 early hints\nCVE-2026-92391: curl_mime_free stack overflow by recursion\nCVE-2026-92392: HTTP/2 upload Use-After-Free\nCVE-2026-94265: Authorization: Negotiate sent to foreign origin\nCVE-2026-94266: password leak in CURLINFO_EFFECTIVE_URL\nCVE-2026-107929: local interface connection reuse mixup\nThere were also some CVE IDs released at the same time that were fixed\nearlier, in 8.22.0, but just announced now:\nCVE-2026-86409: stale SigV4 headers sent unintended\nCVE-2026-86411: FTP connection reuse inherits client-certificate\nCVE-2026-87864: IMAP APPEND plus CRLF conversion command injection\nHere are the CVEs fixed in 8.22.0, which wasn't released in mga10 and so\nare only getting fixed now:\nCVE-2026-13608: OpenLDAP SASL authentication bypass\nCVE-2026-18924: HTTP/2 server push UAF\nCVE-2026-19931: Negotiate ambient user conn reuse\nCVE-2026-80229: OpenSSL provider use-after-free\nCVE-2026-80230: OpenSSL pinning bypass\nCVE-2026-80255: secure cookie attribute bypass with tab\nCVE-2026-82209: domain-scoped PSL domain cookie\n","status":"published","published":"2026-10-17T03:21:49Z","modified":"2026-10-17T03:43:01.411193688Z","updated_at":"2026-11-02T15:49:43.795591Z"},{"id":"ROOT-OS-ALPINE-320-CVE-2026-82208","title":"CVE-2026-82208 in curl - Patched by Root","description":"Root has patched CVE-2026-82208 in the curl package for Root:Alpine:3.20. Multiple fixed versions available.","status":"published","published":"2026-09-29T09:40:45Z","modified":"2026-09-29T10:15:40.545152676Z","updated_at":"2026-11-02T15:53:28.544053Z"},{"id":"ROOT-OS-ALPINE-321-CVE-2026-82208","title":"CVE-2026-82208 in curl - Patched by Root","description":"Root has patched CVE-2026-82208 in the curl package for Root:Alpine:3.21. Multiple fixed versions available.","status":"published","published":"2026-11-03T11:37:01Z","modified":"2026-11-03T12:15:08.364493946Z","updated_at":"2026-11-03T12:31:35.467775Z"},{"id":"ROOT-OS-ALPINE-322-CVE-2026-82208","title":"CVE-2026-82208 in curl - Patched by Root","description":"Root has patched CVE-2026-82208 in the curl package for Root:Alpine:3.22. Multiple fixed versions available.","status":"published","published":"2026-10-19T06:56:08Z","modified":"2026-10-19T07:15:04.156358121Z","updated_at":"2026-11-02T15:53:28.544053Z"}]}}