CVE WatchOct 15, 2026

CVE-2026-66877

Gitea enforces first-time fork contributor approval by blocking jobs, but some job transition and dispatch paths do not re-check the run's a

CVSS

8.1

High

EPSS

0.4%

p36

KEV

—

Exploit Today

0-100

Published: Oct 14, 2026 · Last modified: Oct 15, 2026 · CWE-284

EPSS · 30d

0.4%EPSS · 30 days0.4%

2026-10-152026-10-20

Technical description

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.

Official references

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