CVE-2026-52804Gogs: Privilege Escalation via Collaboration Access Mode Validation

Description

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://github.com/gogs/gogs/security/advisories/GHSA-4565-r4x7-hg8j
• https://github.com/gogs/gogs/pull/8227
• https://github.com/gogs/gogs/commit/1fdc9cc28e159135cfa4d6b11ecd5daa0f8ce22b
• https://github.com/gogs/gogs/releases/tag/v0.14.3