{"id":"GO-2025-4168","revision":"5a4b8ee12fb84a568c3913f5dfdad4ba","records":[{"revision":"5a4b8ee12fb84a568c3913f5dfdad4ba","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2025-4168","aliases":["CVE-2025-12419","GHSA-3x39-62h4-f8j6"],"title":"Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication in github.com/mattermost/mattermost-server","description":"Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication in github.com/mattermost/mattermost-server.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/mattermost/mattermost-server from v10.5.0 before v10.5.13, from v10.11.0 before v10.11.5, from v10.12.0 before v10.12.2, from v11.0.0 before v11.0.4.","state":0,"publishedAt":"2025-12-15T20:33:49+00:00","modifiedAt":"2026-03-03T04:57:42.597188+00:00","affected":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v5","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v6","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"8.0.0-20251028000919-d3ed703dc833"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/advisories/GHSA-3x39-62h4-f8j6","https://nvd.nist.gov/vuln/detail/CVE-2025-12419","https://github.com/mattermost/mattermost/commit/15364790cc277cfaa372693d2d5442b87f70fd42","https://github.com/mattermost/mattermost/commit/364c2203de00fe0d8424b6b46d6f0eeb02a2539a","https://github.com/mattermost/mattermost/commit/46b5c436bb3093cc1da3fa2455f93d4c52389eee","https://github.com/mattermost/mattermost/commit/c3f4818afe46a7084740e809708ae22641c76d8d","https://github.com/mattermost/mattermost/commit/d3ed703dc8330684952eb8d49a375bac6ea7b0c6","https://github.com/mattermost/mattermost/pull/34296","https://mattermost.com/security-updates"],"sourceUrl":"https://osv.dev/vulnerability/GO-2025-4168","license":"OSV · upstream source license applies","key":"osv:GO-2025-4168","identifiers":["GO-2025-4168","CVE-2025-12419","GHSA-3x39-62h4-f8j6"]},"retained":false,"historicalAffected":[]}],"coverage":[]}