Missing Authorization in Gitea - CVE-2026-27783

 

Missing Authorization in Gitea - CVE-2026-27783

Published: June 8, 2026


Vulnerability identifier: #VU133470
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-27783
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: The Gitea Authors
Affected software:
Gitea

Detailed vulnerability description

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to missing authorization in the issue-template API endpoints when handling requests to read issue-template and issue-config files from the repository default branch. A remote user can send crafted API requests to disclose sensitive information.

The issue affects private repositories when the caller has access to any repository unit, such as the Issues unit, but lacks Code-unit permission.


How to mitigate CVE-2026-27783

Install security update from vendor's website.

Sources