{"schema_version":"1.3.1","id":"GO-2025-4168","modified":"2025-12-15T20:33:49Z","published":"2025-12-15T20:33:49Z","aliases":["CVE-2025-12419","GHSA-3x39-62h4-f8j6"],"summary":"Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication in github.com/mattermost/mattermost-server","details":"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.","affected":[{"package":{"name":"github.com/mattermost/mattermost-server","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{"custom_ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.5.0"},{"fixed":"10.5.13"},{"introduced":"10.11.0"},{"fixed":"10.11.5"},{"introduced":"10.12.0"},{"fixed":"10.12.2"},{"introduced":"11.0.0"},{"fixed":"11.0.4"}]}]}},{"package":{"name":"github.com/mattermost/mattermost-server/v5","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/mattermost/mattermost-server/v6","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/mattermost/mattermost/server/v8","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.0.0-20251028000919-d3ed703dc833"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-3x39-62h4-f8j6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12419"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/15364790cc277cfaa372693d2d5442b87f70fd42"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/364c2203de00fe0d8424b6b46d6f0eeb02a2539a"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/46b5c436bb3093cc1da3fa2455f93d4c52389eee"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/c3f4818afe46a7084740e809708ae22641c76d8d"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/commit/d3ed703dc8330684952eb8d49a375bac6ea7b0c6"},{"type":"WEB","url":"https://github.com/mattermost/mattermost/pull/34296"},{"type":"WEB","url":"https://mattermost.com/security-updates"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2025-4168","review_status":"UNREVIEWED"}}