CVE-2026-29075 affects Mesa, an open-source Python library for agent-based modeling, specifically versions 3.5.0 and prior. The vulnerability, classified as CWE-94, allows for code execution in a privileged runner due to insecure checkout of untrusted code within the benchmarks.yml workflow. This is a high-severity vulnerability (CVSS 8.3) with a network attack vector, low attack complexity, and potential for low impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, though it has received minimal community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.5.0CPE matchmatch criteria | cpe:2.3:a:mesa_project:mesa:*:*:*:*:*:python:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.