{"action":"Upgrade github.com/mattermost/mattermost-plugin-github to 1.0.1-0.20250829075715-0deffcfc6bee or later.","affected":[{"fixed":"1.0.1-0.20250829075715-0deffcfc6bee","introduced":"0"}],"component":"github.com/mattermost/mattermost-plugin-github","cve_ids":["CVE-2025-13352"],"ecosystem":"Go","exploited":false,"fixed_versions":["1.0.1-0.20250829075715-0deffcfc6bee"],"ghsa_id":"GHSA-jf5h-xfw4-p8gp","id":"tcs_01M5KGCHQQJRAM4EJP46NKAXK7","modified_at":"2026-03-03T04:57:49.160626Z","published_at":"2025-12-22T18:15:35Z","references":["https://osv.dev/vulnerability/GO-2025-4247","https://github.com/advisories/GHSA-jf5h-xfw4-p8gp","https://nvd.nist.gov/vuln/detail/CVE-2025-13352","https://github.com/mattermost/mattermost-plugin-github/commit/0deffcfc6bee7eaf01f7c99100e3d12e8d9df68c","https://github.com/mattermost/mattermost/commit/3b05384dd0146c1be3caa620a42e00e46027055d","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2025-4247#Go/github.com/mattermost/mattermost-plugin-github","url":"https://osv.dev/vulnerability/GO-2025-4247"}],"summary":"Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection in github.com/mattermost/mattermost"}