{"action":"Upgrade github.com/mattermost/mattermost to 10.11.5 or later.","affected":[{"fixed":"10.12.2","introduced":"10.12.0"},{"fixed":"10.11.5","introduced":"10.11.0-rc1"},{"fixed":"11.0.4","introduced":"11.0.0-alpha.1"}],"component":"github.com/mattermost/mattermost","cve_ids":["CVE-2025-13324"],"ecosystem":"Go","epss":0.00199,"exploited":false,"fixed_versions":["10.12.2","10.11.5","11.0.4"],"ghsa_id":"GHSA-x3r8-2hmh-89f5","id":"tcs_01M5KFRGJ2NE2J785QR9E8JZZ0","modified_at":"2025-12-30T02:26:00.406815Z","published_at":"2025-12-17T21:30:48Z","references":["https://osv.dev/vulnerability/GHSA-x3r8-2hmh-89f5","https://nvd.nist.gov/vuln/detail/CVE-2025-13324","https://github.com/mattermost/mattermost/commit/364c2203de00fe0d8424b6b46d6f0eeb02a2539a","https://github.com/mattermost/mattermost/commit/7ccb62db7958abd6a4b21a06c5a4f5367a8f8b1f","https://github.com/mattermost/mattermost/commit/9f54e5cdc3aef412945ff0e6a58338f7b549bdda","https://github.com/mattermost/mattermost","https://mattermost.com/security-updates"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-x3r8-2hmh-89f5","url":"https://osv.dev/vulnerability/GHSA-x3r8-2hmh-89f5"}],"summary":"Mattermost has an Invite Token Replay Vulnerability via Channel Membership Manipulation"}