{"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-2026-58436"],"ecosystem":"Go","epss":0.00609,"exploited":false,"fixed_versions":["1.27.0"],"ghsa_id":"GHSA-fw57-jgch-pgf3","id":"tcs_01M5KF9WEKZ53ZW8SQ7GMTP6QK","modified_at":"2026-07-22T21:11:18.929389091Z","published_at":"2026-07-21T21:15:47Z","references":["https://osv.dev/vulnerability/GHSA-fw57-jgch-pgf3","https://github.com/go-gitea/gitea/security/advisories/GHSA-fw57-jgch-pgf3","https://github.com/go-gitea/gitea/pull/38323","https://github.com/go-gitea/gitea/commit/f452c369acc9f1bd05ec6ef9c2e4399062dd6da1","https://github.com/go-gitea/gitea"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-fw57-jgch-pgf3","url":"https://osv.dev/vulnerability/GHSA-fw57-jgch-pgf3"},{"source":"nvd","source_id":"CVE-2026-58436","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58436"}],"summary":"Gitea: ParseAcceptLanguage quadratic-time DoS via Locale middleware on unauthenticated requests"}