What is CVE-2026-40313?

CVE-2026-40313 is a critical-severity vulnerability in Mervinpraison Praisonai, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 9.1/10. Published 2026-04-14.

How severe is CVE-2026-40313?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Mervinpraison Praisonai

CVE-2026-40313

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-credential…

EPSS: 0.000 (14.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Mervinpraison Praisonai — versions < 4.5.140

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

References

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

Frequently asked questions

What is CVE-2026-40313?: CVE-2026-40313 is a critical-severity vulnerability in Mervinpraison Praisonai, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 9.1/10. Published 2026-04-14.
How severe is CVE-2026-40313?: Critical severity. CVSS v3 base score is 9.1 out of 10.