{"action":"Upgrade github.com/mattermost/mattermost to 11.1.0+incompatible or later.","affected":[{"fixed":"11.1.0+incompatible","introduced":"11.0.0-alpha.1+incompatible"}],"component":"github.com/mattermost/mattermost","cve_ids":["CVE-2025-13352"],"ecosystem":"Go","epss":0.00175,"exploited":false,"fixed_versions":["11.1.0+incompatible"],"ghsa_id":"GHSA-jf5h-xfw4-p8gp","id":"tcs_01M5KGCHGTJPY2QQ74XA91RZTX","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":"low","score":3},"sources":[{"source":"osv","source_id":"GO-2025-4247","url":"https://osv.dev/vulnerability/GO-2025-4247"},{"source":"nvd","source_id":"CVE-2025-13352","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-13352"}],"summary":"Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection in github.com/mattermost/mattermost"}