Snyk Distributed Workloads PR Target Secret Leak via pull_request_target
CVE-2026-83493 Published on November 6, 2026
Distributed-workloads: github actions pinned by mutable tag/branch, including third-party snyk/actions/setup@master
A flaw was found in distributed-workloads. A remote attacker could exploit a vulnerability in the pull_request_target workflow by submitting a specially crafted pull request. This workflow processes untrusted code from the pull request author while operating with the base repository's sensitive secrets, such as the SNYK_TOKEN, and its default write token. Consequently, an attacker could exfiltrate these secrets, leading to unauthorized access to the Snyk integration and potential control over the repository.
Timeline
Reported to Red Hat.
Made public. 77 days later.
Weakness Type
Inclusion of Functionality from Untrusted Control Sphere
The software imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.
Products Associated with CVE-2026-83493
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