GHSA-4565-R4X7-HG8J 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...