{"id":"CVE-2026-66853","published":"2026-10-14T15:17:21.653","lastModified":"2026-10-14T16:17:50.263","description":"Gitea's user organization-list API includes Limited-visibility organizations for authenticated restricted accounts without applying the visibility restriction enforced by the single-organization endpoint. A restricted user can list a known user's public organization memberships and retrieve limited organizations' names, descriptions, and avatars. This exposes organization metadata that should be hidden from the requesting account.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwes":["CWE-200","CWE-863"],"vendors":[],"products":[],"references":[{"url":"https://blog.gitea.com/release-of-1.27.3/","tags":[]},{"url":"https://github.com/go-gitea/gitea/pull/39047","tags":[]},{"url":"https://github.com/go-gitea/gitea/pull/39058","tags":[]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.3","tags":[]},{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-w4wc-g858-3672","tags":[]}],"exploitRefs":[{"url":"https://github.com/go-gitea/gitea/pull/39047","tags":[]},{"url":"https://github.com/go-gitea/gitea/pull/39058","tags":[]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v1.27.3","tags":[]},{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-w4wc-g858-3672","tags":[]}],"hasPoc":true,"ai":null}