CVE-2026-66877 Gitea - Broken Access Control

Gitea contains a broken access control vulnerability caused by improper re-checking of job approval in workflow dispatch, letting unreviewed workflow code execute on self-hosted runners, exploit requires fork contributor approval bypass.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-284

Vendor fix

Update to the latest version where job approval checks are enforced consistently.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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