Missing Authorization in Gitea - CVE-2026-27783
Published: June 8, 2026
Vulnerability identifier: #VU133470
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-2026-27783
CWE-ID: CWE-862
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 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.
Affected software
Gitea
How to mitigate CVE-2026-27783
Install security update from vendor's website.
Gitea - update to 1.26.2