What is CVE-2026-39888?

CVE-2026-39888 is a critical-severity vulnerability in Mervinpraison Praisonaiagents, classified under CWE-657. CVSS score: 10.0/10. Published 2026-04-08.

How severe is CVE-2026-39888?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Vulnerability in Mervinpraison Praisonaiagents

CVE-2026-39888

PraisonAI is a multi-agent teams system. Prior to 1.5.115, execute_code() in praisonaiagents.tools.python_tools defaults to sandbox_mode="sandbox", which runs user code in a subprocess wrapped with a restricted __builtins__ dict and an AST…

EPSS: 0.000 (12.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Mervinpraison Praisonaiagents — versions < 1.5.115

Weakness classification (CWE)

References

https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-qf73-2hrx-xprp (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-39888?: CVE-2026-39888 is a critical-severity vulnerability in Mervinpraison Praisonaiagents, classified under CWE-657. CVSS score: 10.0/10. Published 2026-04-08.
How severe is CVE-2026-39888?: Critical severity. CVSS v3 base score is 10.0 out of 10.