CVE-2026-66877
highGitea enforces first-time fork contributor approval by blocking jobs, but some job transition and dispatch paths do not re-check the run's approval requirement.
Gitea enforces first-time fork contributor approval by blocking jobs, but some job transition and dispatch paths do not re-check the run's approval requirement. A separate run sharing a job-level concurrency group can cancel a pending job and cause its blocked sibling jobs to be re-emitted and dispatched without approval. This allows unreviewed workflow code to execute on self-hosted runners; fork secrets remain withheld and the run token remains read-only.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://blog.gitea.com/release-of-1.27.3/ 88ee5874-cf24-4952-aea0-31affedb7ff2
- https://github.com/go-gitea/gitea/pull/39005 88ee5874-cf24-4952-aea0-31affedb7ff2
- https://github.com/go-gitea/gitea/pull/39018 88ee5874-cf24-4952-aea0-31affedb7ff2
- https://github.com/go-gitea/gitea/releases/tag/v1.27.3 88ee5874-cf24-4952-aea0-31affedb7ff2
- https://github.com/go-gitea/gitea/security/advisories/GHSA-v2w8-m4gr-qj65 88ee5874-cf24-4952-aea0-31affedb7ff2