{"id":"GHSA-xpg8-8xpv-948p","revision":"9eed86acee844475af1f8ebdc208a4a1","records":[{"revision":"9eed86acee844475af1f8ebdc208a4a1","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-xpg8-8xpv-948p","aliases":["CVE-2025-55070","GO-2025-4128"],"title":"Mattermost does not enforce MFA on WebSocket connections","description":"Mattermost versions < 11 fail to enforce multi-factor authentication on WebSocket connections which allows unauthenticated users to access sensitive information via WebSocket events.","state":0,"publishedAt":"2025-11-14T09:30:27+00:00","modifiedAt":"2025-11-17T19:58:36.335728+00:00","affected":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"11.1.0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"8.0.0-20250912063506-7d8b7b5e4a60"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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-2025-55070","https://github.com/mattermost/mattermost/commit/7d8b7b5e4a6076b2f7c87606883c417f9a610df5","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"sourceUrl":"https://github.com/advisories/GHSA-xpg8-8xpv-948p","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-xpg8-8xpv-948p","identifiers":["GHSA-xpg8-8xpv-948p","CVE-2025-55070","GO-2025-4128"]},"retained":false,"historicalAffected":[]}],"coverage":[]}