cvedb.io
CVE-2026-44359
CRITICAL · CVSS 10
EPSS exploitation probability: 0%
Published 2026-07-20T00:16:58.210 · Last modified 2026-07-20T00:16:58.210

Summary

Meshtastic is an open source mesh networking solution. Prior to version 2.7.21.1370b23, the Meshtastic GitHub repository's main_matrix.yml workflow is triggered by pull_request_target and multiple jobs check out the attacker's fork code and execute it with access to repository secrets and elevated GITHUB_TOKEN permissions. No approval gate exists. Pull requests from external users with author_association: "NONE" triggered the CI workflow automatically. The workflow directly executes attacker-controlled files from the fork checkout. This issue could have resulted in supply chain compromise, self-hosted runner compromise, and/or repository takeover for the repo. This issue is separate from GHSA-6mwm-v2vv-pp96, which addressed a command injection via github.head_ref in the setup job of the s

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.