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CVE-2026-40158 - Vulnerability Analysis

HighCVSS: 8.6

Last Updated: April 10, 2026

PraisonAI - Remote Code Execution

Published: April 10, 2026Updated: April 10, 2026

Overview

PraisonAI < 4.5.128 contains a remote code execution vulnerability caused by incomplete AST-based sandbox filtering allowing type.__getattribute__ trampoline bypass, letting attackers execute arbitrary code when running untrusted agent code.

Severity & Score

Severity: High

CVSS Score: 8.6

Impact

Attackers can execute arbitrary code remotely by bypassing sandbox restrictions, leading to full system compromise.

Mitigation

Update to version 4.5.128 or later.

References

https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-3c4r-6p77-xwr7

Related Resources

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Details

CVE ID: CVE-2026-40158
Severity: High
CVSS Score: 8.6
Type: sandbox_bypass
Status: new

CWE

CWE-94

CVSS Metrics

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H