{"id":"CVE-2026-58440","aliases":["GHSA-66m4-5jjr-2rg5","GO-2026-6033"],"url":"https://o3.security/vulnerability/CVE-2026-58440","summary":"Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content (incomplete revocation cleanup in `DeleteCollaboration`)","details":"Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content (incomplete revocation cleanup in `DeleteCollaboration`)","published":"2026-08-13T16:44:54.496Z","modified":"2026-08-15T04:25:22.537022954Z","cvss":{"score":6.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"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-2026-58440.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-66m4-5jjr-2rg5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58440"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-15T04:25:22.537022954Z"}}