{"id":"CVE-2026-58421","aliases":["GHSA-v96j-25gv-g2w9","GO-2026-6077"],"url":"https://o3.security/vulnerability/CVE-2026-58421","summary":"Unauthenticated ReDoS via CODEOWNERS pattern matching allows denial of service","details":"Unauthenticated ReDoS via CODEOWNERS pattern matching allows denial of service","published":"2026-07-03T20:54:51.884Z","modified":"2026-08-12T18:48:10.026368382Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"code.gitea.io/gitea","fixedVersion":"1.26.4"}],"fix":{"url":"https://github.com/go-gitea/gitea/pull/38011","label":"go-gitea/gitea#38011"},"references":[{"type":"ADVISORY","url":"https://blog.gitea.com/release-of-1.26.3-and-1.26.4/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58421.json"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/releases/tag/v1.26.4"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-v96j-25gv-g2w9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58421"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/38011"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T18:48:10.026368382Z"}}