CVE-2026-40313CRITICAL 9.1EPSS p22.0%

CVE-2026-40313CVE-2026-40313

Description

PraisonAI is a multi-agent teams system. In versions 4.5.139 and below, the GitHub Actions workflows are vulnerable to ArtiPACKED attack, a known credential leakage vector caused by using actions/checkout without setting persist-credentials: false. By default, actions/checkout writes the GITHUB_TOKEN (and sometimes ACTIONS_RUNTIME_TOKEN) into the .git/config file for persistence, and if any subsequent workflow step uploads artifacts (build outputs, logs, test results, etc.), these tokens can be inadvertently included. Since PraisonAI is a public repository, any user with read access can download these artifacts and extract the leaked tokens, potentially enabling an attacker to push malicious code, poison releases and PyPI/Docker packages, steal repository secrets, and execute a full supply chain compromise affecting all downstream users. The issue spans numerous workflow and action files across .github/workflows/ and .github/actions/. This issue has been fixed in version 4.5.140.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS0.30% probability of exploitation · percentile 22.0% · 2026-06-19T12:03:05Z
Published2026-04-14
Last modified2026-04-20

Underlying weaknesses· 1

CWE-829

References

  1. https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-3959-6v5q-45q2
  2. https://thehackernews.com/2024/08/github-vulnerability-artipacked-exposes.html
  3. https://unit42.paloaltonetworks.com/github-repo-artifacts-leak-tokens

1

TypeTargetConfidenceTier
WeaknessInclusion of Functionality from Untrusted Control Spherecwe-8290%live

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