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Vulnerability record · CVE-2026-29075 · published 6 March 2026

CVE-2026-29075: Mesa project mesa code injection vulnerability

Mesa Project · Mesa

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.

9.8 CVSS 3.1 Critical EPSS 0.52% · top 58.1% CWE-94 · Code injection
9.8CVSS 3.1 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/mesa/mesa/commit/c35b8cd67fc89dd680ae218e49b77f6e1ee07a27 Patch
https://github.com/mesa/mesa/security/advisories/GHSA-3j55-5q6x-2h48 MitigationVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-29075), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.