Improper access control in Gitea - CVE-2026-58417
Published: July 14, 2026
Vulnerability identifier: #VU137423
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-58417
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in the "/orgs/{org}/public_members/{username}" REST API endpoint when handling GET requests for public member lookups in private organizations. A remote user can send a crafted API request to disclose sensitive information.
The issue leaks whether a user is a member of a private organization through the endpoint response.
Affected software
Gitea
How to mitigate CVE-2026-58417
Install security update from vendor's website.
Gitea - update to 1.27.0