{"id":"GHSA-vww6-79rv-3j4x","revision":"6d38b15323874e188951cb2056ca57c0","records":[{"revision":"6d38b15323874e188951cb2056ca57c0","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-vww6-79rv-3j4x","aliases":["CVE-2025-64641","GO-2025-4260"],"title":"Mattermost doesn't verify that post actions invoking `/share-issue-publicly` were created by the Jira plugin","description":"Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 fail to verify that post actions invoking /share-issue-publicly were created by the Jira plugin which allowed a malicious Mattermost user to exfiltrate Jira tickets when victim users interacted with affected posts","state":0,"publishedAt":"2025-12-24T09:30:22+00:00","modifiedAt":"2026-02-27T22:04:50+00:00","affected":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"8.0.0-20251121122154-b57c297c6d7"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"10.11.0"},{"kind":"fixed","version":"10.11.8"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"10.12.0"},{"kind":"fixed","version":"10.12.4"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"11.0.0"},{"kind":"fixed","version":"11.0.6"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"11.1.0"},{"kind":"fixed","version":"11.1.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2025-64641","https://github.com/mattermost/mattermost/pull/34551","https://github.com/mattermost/mattermost/commit/b57c297c6d7ae6812d85e32a625806ac9555deee","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates","https://pkg.go.dev/vuln/GO-2026-4260"],"sourceUrl":"https://github.com/advisories/GHSA-vww6-79rv-3j4x","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-vww6-79rv-3j4x","identifiers":["GHSA-vww6-79rv-3j4x","CVE-2025-64641","GO-2025-4260"]},"retained":false,"historicalAffected":[]}],"coverage":[]}