{"id":"CVE-2026-58416","aliases":["GHSA-fj8v-hjwv-qm88","GO-2026-6052"],"url":"https://o3.security/vulnerability/CVE-2026-58416","summary":"Fork-PR Actions task can read a third private repository via the collaborative-owner branch (missing fork-PR guard)","details":"Fork-PR Actions task can read a third private repository via the collaborative-owner branch (missing fork-PR guard)","published":"2026-08-13T16:44:46.534Z","modified":"2026-08-28T11:30:24.108931066Z","cvss":{"score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N"},"epss":{"score":0.00252,"percentile":0.16553,"asOf":"2026-09-06"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"gitea.dev","fixedVersion":"1.27.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://blog.gitea.com/gitea-1.27.0-is-released/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58416.json"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.0"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-fj8v-hjwv-qm88"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58416"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-28T11:30:24.108931066Z"}}