Omnigent: Unvalidated os_env.cwd in agent bundle yields arbitrary host filesystem access on runners without OMNIGENT_...

Date Sep 2, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product PyPI ยท omnigent
CVE CVE-2026-62677
High-risk advisory CVE-2026-62677

Summary

Omnigent: Unvalidated os_env.cwd in agent bundle yields arbitrary host filesystem access on runners without OMNIGENT_RUNNER_WORKSPACE

Why it matters

GitHub has published a reviewed security advisory for omnigent. Prioritize it with other application dependency updates, especially because EPSS places it in the 37% percentile.

Operator check

Check whether omnigent is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.4%; percentile: 37%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.