{"action":"Upgrade code.gitea.io/gitea to 1.27.0 or later.","affected":[{"fixed":"1.27.0","introduced":"0"}],"component":"code.gitea.io/gitea","cve_ids":["CVE-2026-55987"],"ecosystem":"Go","epss":0.00413,"exploited":false,"fixed_versions":["1.27.0"],"ghsa_id":"GHSA-vrhc-jjfc-m3m3","id":"tcs_01M5KFPM7FPSCQB0QJ5XQ4V0HX","modified_at":"2026-07-27T17:11:22.465786398Z","published_at":"2026-07-21T21:02:10Z","references":["https://osv.dev/vulnerability/GHSA-vrhc-jjfc-m3m3","https://github.com/go-gitea/gitea/security/advisories/GHSA-vrhc-jjfc-m3m3","https://github.com/go-gitea/gitea","https://github.com/go-gitea/gitea/releases/tag/v1.27.0"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"GHSA-vrhc-jjfc-m3m3","url":"https://osv.dev/vulnerability/GHSA-vrhc-jjfc-m3m3"}],"summary":"Gitea: OAuth2 sign-in reactivates an administrator-deactivated account on auth sources without refresh tokens (incomplete fix of #38009)"}