What is CVE-2026-40287?

CVE-2026-40287 is a high-severity vulnerability in Mervinpraison Praisonai, classified under Code Injection. CVSS score: 8.4/10. Published 2026-04-14.

How severe is CVE-2026-40287?

High severity. CVSS v3 base score is 8.4 out of 10.

RCE in Mervinpraison Praisonai

CVE-2026-40287

PraisonAI is a multi-agent teams system. Versions 4.5.138 and below are vulnerable to arbitrary code execution through automatic, unsanitized import of a tools.py file from the current working directory. Components including call.py (impor…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.000 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mervinpraison Praisonai — versions < 4.5.139
Mervinpraison Praisonaiagents — versions < 1.5.140

Weakness classification (CWE)

References

https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-g985-wjh9-qxxc (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-40287?: CVE-2026-40287 is a high-severity vulnerability in Mervinpraison Praisonai, classified under Code Injection. CVSS score: 8.4/10. Published 2026-04-14.
How severe is CVE-2026-40287?: High severity. CVSS v3 base score is 8.4 out of 10.