CVE-2026-52804

MEDIUM5.5

Gogs: Privilege Escalation via Collaboration Access Mode Validation

Published Jun 24, 2026

Modified 1 months ago

Details

Gogs is an open source self-hosted Git service. Prior to 0.14.3, a repository admin collaborator can escalate their privileges to owner-level access by exploiting an off-by-one error in the ChangeCollaborationAccessMode function. This vulnerability is fixed in 0.14.3.

References

WEB

https://github.com/gogs/gogs/commit/1fdc9cc28e159135cfa4d6b11ecd5daa0f8ce22b

WEB

https://github.com/gogs/gogs/pull/8227

WEB

https://github.com/gogs/gogs/releases/tag/v0.14.3

WEB

https://github.com/gogs/gogs/security/advisories/GHSA-4565-r4x7-hg8j

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-52804

CVSS Analysis