CVE-2026-52804

Summary (concrete details from provided sources): CVE-2026-52804 affects Gogs prior to 0.14.3, enabling a repository admin collaborator to escalate to owner-level access through an off-by-one error in ChangeCollaborationAccessMode. The vulnerability is triggered via mode=4 (Owner) being accepted ...

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

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...

Gogs Vulnerable to Privilege Escalation via Collaboration Access Mode Validation

Summary A repository admin collaborator can escalate their privileges to owner-level access by exploiting an off-by-one error in the ChangeCollaborationAccessMode function. Vulnerable Code In internal/database/repocollaboration.go, line 129: go func r Repository ChangeCollaborationAccessModeuserI...