CVE-2026-29075CRITICAL 9.8EPSS p21.0%

CVE-2026-29075CVE-2026-29075

Description

Mesa is an open-source Python library for agent-based modeling, simulating complex systems and exploring emergent behaviors. In version 3.5.0 and prior, checking out of untrusted code in benchmarks.yml workflow may lead to code execution in privileged runner. This issue has been patched via commit c35b8cd.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.29% probability of exploitation · percentile 21.0% · 2026-06-18T12:00:27Z
Published2026-03-06
Last modified2026-03-11

Underlying weaknesses· 1

CWE-94

References

  1. https://github.com/mesa/mesa/commit/c35b8cd67fc89dd680ae218e49b77f6e1ee07a27
  2. https://github.com/mesa/mesa/security/advisories/GHSA-3j55-5q6x-2h48

1

TypeTargetConfidenceTier
WeaknessImproper Control of Generation of Code ('Code Injection')cwe-940%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.