Incorrect Privilege Assignment in Gitea - CVE-2026-73814
Published: August 15, 2026
Vulnerability identifier: #VU142691
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-73814
CWE-ID: CWE-266
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges and transfer a repository.
The vulnerability exists due to incorrect privilege assignment in the collaboration access-mode endpoint when handling submitted collaboration permission changes. A remote privileged user can submit mode=4 to grant themselves effective Owner permissions to escalate privileges and transfer a repository.
The issue affects repositories owned by regular user accounts as well as organization-owned repositories.
Affected software
Gitea
How to mitigate CVE-2026-73814
Install security update from vendor's website.
Gitea - update to 1.27.2