{"id":"CVE-2023-36829","aliases":["EUVD-2023-0239","GHSA-4xqm-4p72-87h6","PYSEC-2023-115"],"status":"published","title":"Sentry CORS misconfiguration vulnerability","description":"Sentry is an error tracking and performance monitoring platform. Starting in version 23.6.0 and prior to version 23.6.2, the Sentry API incorrectly returns the `access-control-allow-credentials: true` HTTP header if the `Origin` request header ends with the `system.base-hostname` option of Sentry installation. This only affects installations that have `system.base-hostname` option explicitly set, as it is empty by default. Impact is limited since recent versions of major browsers have cross-site cookie blocking enabled by default. However, this flaw could allow other multi-step attacks. The patch has been released in Sentry 23.6.2.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00666,"percentile":0.52103,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-697","CWE-863","CWE-942"],"published":"2023-07-06T22:08:58Z","modified":"2026-10-28T02:30:25Z","fixes":[{"ecosystem":"PyPI","package":"sentry","fixed_in":["23.6.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"sentry","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"23.6.0"},{"fixed":"23.6.2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"sentry","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"23.6.0"},{"fixed":"23.6.2"}]}],"versions":["23.6.0","23.6.1"]},{"source":"osv","ecosystem":"PyPI","package":"sentry","ranges":[{"type":"GIT","events":[{"introduced":"0"},{"fixed":"ee44c6be35e5e464bc40637580f39867898acd8b"}]},{"type":"ECOSYSTEM","events":[{"introduced":"23.6.0"},{"fixed":"23.6.2"}]}],"versions":["23.6.0","23.6.1"]}],"products":[{"vendor":"functional","product":"sentry"},{"vendor":"getsentry","product":"sentry"},{"vendor":"sentry","product":"sentry"}],"references":[{"url":"https://github.com/getsentry/sentry/security/advisories/GHSA-4xqm-4p72-87h6","tags":["x_refsource_CONFIRM","x_transferred","Patch","advisory","web","fix"]},{"url":"https://github.com/getsentry/sentry/pull/52276","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://github.com/getsentry/sentry/commit/ee44c6be35e5e464bc40637580f39867898acd8b","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://github.com/getsentry/self-hosted/releases/tag/23.6.2","tags":["x_refsource_MISC","x_transferred","Release Notes","web"]},{"url":"https://github.com/getsentry/sentry/commit/19248fb9802c252665b802aeab02fdc65ed47dc9","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36829","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/sentry/PYSEC-2023-115.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4xqm-4p72-87h6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/36xxx/CVE-2023-36829.json","tags":["advisory"]},{"url":"https://github.com/getsentry/sentry","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-36829","title":"Sentry CORS misconfiguration vulnerability","description":"Sentry is an error tracking and performance monitoring platform. Starting in version 23.6.0 and prior to version 23.6.2, the Sentry API incorrectly returns the `access-control-allow-credentials: true` HTTP header if the `Origin` request header ends with the `system.base-hostname` option of Sentry installation. This only affects installations that have `system.base-hostname` option explicitly set, as it is empty by default. Impact is limited since recent versions of major browsers have cross-site cookie blocking enabled by default. However, this flaw could allow other multi-step attacks. The patch has been released in Sentry 23.6.2.","status":"published","published":"2023-07-06T22:08:58.922Z","modified":"2024-11-06T16:44:37.019Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-942","CWE-863"],"updated_at":"2026-11-02T14:35:27.810438Z"}],"euvd":[{"id":"EUVD-2023-0239","description":"Sentry is an error tracking and performance monitoring platform. Starting in version 23.6.0 and prior to version 23.6.2, the Sentry API incorrectly returns the `access-control-allow-credentials: true` HTTP header if the `Origin` request header ends with the `system.base-hostname` option of Sentry installation. This only affects installations that have `system.base-hostname` option explicitly set, as it is empty by default. Impact is limited since recent versions of major browsers have cross-site cookie blocking enabled by default. However, this flaw could allow other multi-step attacks. The patch has been released in Sentry 23.6.2.","status":"published","published":"2023-07-06T22:08:58Z","modified":"2024-11-06T16:44:37Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T00:05:09.226597Z"}],"ghsa":[{"id":"GHSA-4xqm-4p72-87h6","title":"Sentry CORS misconfiguration","description":"### Impact\nThe Sentry API incorrectly returns the `access-control-allow-credentials: true` HTTP header if the `Origin` request header ends with the `system.base-hostname` option of Sentry installation. This only affects installations that have `system.base-hostname` option explicitly set, as it is empty by default.\n\nImpact is limited since recent versions of major browsers have cross-site cookie blocking enabled by default. However, this flaw could allow other multi-step attacks.\n\n### Patches\nThe patch has been released in [Sentry 23.6.2](https://github.com/getsentry/self-hosted/releases/tag/23.6.2).\n\n### Workarounds\n\nFor Sentry SaaS customers, no action is needed.\n\nFor self-hosted Sentry installations that have `system.base-hostname` explicitly set, it is recommended to upgrade the installation to 23.6.2 or higher. There are no known workarounds.\n\n### References\n- [getsentry/sentry PR #52276](https://github.com/getsentry/sentry/pull/52276)\n\n### Credits\n- [@andr0idp4r4n0id](https://twitter.com/andr0idp4r4n0id)","status":"published","published":"2023-07-06T22:55:44Z","modified":"2023-11-05T05:04:29Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-697","CWE-863","CWE-942"],"updated_at":"2026-11-02T14:37:13.301199Z"}],"nvd":[{"id":"CVE-2023-36829","description":"Sentry is an error tracking and performance monitoring platform. Starting in version 23.6.0 and prior to version 23.6.2, the Sentry API incorrectly returns the `access-control-allow-credentials: true` HTTP header if the `Origin` request header ends with the `system.base-hostname` option of Sentry installation. This only affects installations that have `system.base-hostname` option explicitly set, as it is empty by default. Impact is limited since recent versions of major browsers have cross-site cookie blocking enabled by default. However, this flaw could allow other multi-step attacks. The patch has been released in Sentry 23.6.2.","status":"published","published":"2023-07-06T23:15:09.62Z","modified":"2026-06-17T06:07:10.037Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-863","CWE-942","CWE-697"],"updated_at":"2026-11-02T14:08:15.127597Z"}],"osv":[{"id":"CVE-2023-36829","title":"Sentry CORS misconfiguration vulnerability","description":"Sentry is an error tracking and performance monitoring platform. Starting in version 23.6.0 and prior to version 23.6.2, the Sentry API incorrectly returns the `access-control-allow-credentials: true` HTTP header if the `Origin` request header ends with the `system.base-hostname` option of Sentry installation. This only affects installations that have `system.base-hostname` option explicitly set, as it is empty by default. Impact is limited since recent versions of major browsers have cross-site cookie blocking enabled by default. However, this flaw could allow other multi-step attacks. The patch has been released in Sentry 23.6.2.","status":"published","published":"2023-07-06T22:08:58.922Z","modified":"2026-10-28T02:30:25.901314495Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-863","CWE-942"],"updated_at":"2026-11-02T15:44:32.510144Z"},{"id":"GHSA-4xqm-4p72-87h6","title":"Sentry CORS misconfiguration","description":"### Impact\nThe Sentry API incorrectly returns the `access-control-allow-credentials: true` HTTP header if the `Origin` request header ends with the `system.base-hostname` option of Sentry installation. This only affects installations that have `system.base-hostname` option explicitly set, as it is empty by default.\n\nImpact is limited since recent versions of major browsers have cross-site cookie blocking enabled by default. However, this flaw could allow other multi-step attacks.\n\n### Patches\nThe patch has been released in [Sentry 23.6.2](https://github.com/getsentry/self-hosted/releases/tag/23.6.2).\n\n### Workarounds\n\nFor Sentry SaaS customers, no action is needed.\n\nFor self-hosted Sentry installations that have `system.base-hostname` explicitly set, it is recommended to upgrade the installation to 23.6.2 or higher. There are no known workarounds.\n\n### References\n- [getsentry/sentry PR #52276](https://github.com/getsentry/sentry/pull/52276)\n\n### Credits\n- [@andr0idp4r4n0id](https://twitter.com/andr0idp4r4n0id)","status":"published","published":"2023-07-06T22:55:44Z","modified":"2026-09-10T03:50:08.444402599Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-697","CWE-863","CWE-942"],"updated_at":"2026-11-02T15:46:37.528068Z"},{"id":"PYSEC-2023-115","description":"Sentry is an error tracking and performance monitoring platform. Starting in version 23.6.0 and prior to version 23.6.2, the Sentry API incorrectly returns the `access-control-allow-credentials: true` HTTP header if the `Origin` request header ends with the `system.base-hostname` option of Sentry installation. This only affects installations that have `system.base-hostname` option explicitly set, as it is empty by default. Impact is limited since recent versions of major browsers have cross-site cookie blocking enabled by default. However, this flaw could allow other multi-step attacks. The patch has been released in Sentry 23.6.2.","status":"published","published":"2023-07-06T23:15:00Z","modified":"2023-11-08T04:12:59.617813Z","updated_at":"2026-11-02T15:52:53.837392Z"}]}}