{"schema_version":"1.9.0","id":"BIT-gitea-2026-20800","published":"2026-01-30T08:40:39.688Z","modified":"2026-09-08T08:47:33.881302348Z","aliases":["CVE-2026-20800","GHSA-2vgv-hgv4-22mh","GHSA-g54m-9f6g-wj7q","GO-2026-4362"],"summary":"Notification API Leaks Private Repository Issue Titles After Collaborator Permission Revocation","details":"Gitea's notification API does not re-validate repository access permissions when returning notification details. After a user's access to a private repository is revoked, they may still view issue and pull request titles through previously received notifications.","affected":[{"package":{"name":"gitea","ecosystem":"Bitnami","purl":"pkg:bitnami/gitea"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/gitea/BIT-gitea-2026-20800.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}],"references":[{"type":"ARTICLE","url":"https://blog.gitea.com/release-of-1.25.4/"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/36339"},{"type":"ARTICLE","url":"https://github.com/go-gitea/gitea/releases/tag/v1.25.4"},{"type":"WEB","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-g54m-9f6g-wj7q"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20800"}],"database_specific":{"cpes":["cpe:2.3:a:gitea:gitea:*:*:*:*:*:-:*:*"],"severity":"Medium"}}