Improper access control in Gitea - CVE-2026-67577
Published: August 31, 2026
Vulnerability identifier: #VU146349
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-2026-67577
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 activity feed and heatmap API endpoints when handling requests for limited-visibility user data. A remote user can send crafted API requests to disclose sensitive information.
Exposed data can include repository names, push and commit events, full commit-message content, issue and pull request events, and contribution timestamps for limited-visibility users with qualifying public-repository activity.
Affected software
Gitea
How to mitigate CVE-2026-67577
Install security update from vendor's website.
Gitea - update to 1.27.3