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CVE-2026-40313: PraisonAI: ArtiPACKED Vulnerability via GitHub Actions Credential Persistence

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-14 · updated 2026-10-26
• Weakness: CWE-829

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.

Affected products

• MervinPraison PraisonAI: before 4.5.140 — fixed in 4.5.140

How to fix

Upgrade to a fixed version: MervinPraison PraisonAI 4.5.140. Check the vendor advisory for mitigations.

References

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

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