{"id":"CVE-2026-73814","title":"Gitea's collaboration access-mode endpoint accepts the Owner access mode from an authenticated repository collaborator with Admin access","summary":"Gitea's collaboration access-mode endpoint accepts the Owner access mode from an authenticated repository collaborator with Admin access. The collaborator can promote their effective permissions from Admin to Owner and then perform owner…","severity":"medium","cwe":["CWE-266"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T16:04:39.483","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73814","references":[{"url":"https://blog.gitea.com/release-of-1.27.2/","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"},{"url":"https://github.com/go-gitea/gitea/pull/38894","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"},{"url":"https://github.com/go-gitea/gitea/pull/38895","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"},{"url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.2","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"},{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-h62v-wmrr-5qjq","label":"88ee5874-cf24-4952-aea0-31affedb7ff2"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-14T15:36:14.031Z","vendor":"Gitea","product":"gitea.dev","affected":["gitea.dev <= 1.27.1"],"epss":0.00466,"epssPercentile":0.40167,"cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-18T13:41:14.726370Z"},"cvssSource":"adp","slug":"CVE-2026-73814","body":"## Overview\n\nGitea's collaboration access-mode endpoint accepts the Owner access mode from an authenticated repository collaborator with Admin access. The collaborator can promote their effective permissions from Admin to Owner and then perform owner-only operations, including transferring the repository to their own account. This bypasses the intended boundary between repository administration and ownership.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":224414,"id":"CVE-2026-73814","ts":1792331048314,"field":"cvss","old":null,"new":"6.5"},{"seq":224413,"id":"CVE-2026-73814","ts":1792331048314,"field":"severity","old":"none","new":"medium"}]}