Is this vulnerability remotely exploitable?

Yes, if an attacker can influence or supply Python code executed by PraisonAI's sandboxed agent environment (for example, via external integrations, user-defined tools, or untrusted workflows). In such deployments, the issue can be exploited remotely through normal agent interaction channels.

What level of access does an attacker need?

The attacker needs the ability to cause PraisonAI to run their Python code in the sandboxed tool. They do not need direct shell or filesystem access; controlling the agent's code execution path is sufficient to attempt a sandbox escape.

What is the safest general fix pattern?

The most robust fix is to avoid relying solely on AST blacklists and instead: - Execute untrusted code in a strongly isolated environment (separate process/container/VM) with minimal privileges, and - Replace blacklist-based attribute filtering with a strict allowlist of permitted operations and modules, combined with removal of powerful reflection and meta-programming features from the exposed environment.

Severity:

HIGH RISK

(8.6)

Sandbox Escape via Incomplete AST Filtering (CWE-94) in PraisonAI Python Agent Sandbox

CVE-2026-40158

Published:

Apr 10, 2026

Status:

Received

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI Handler setAccessDeviceCfg

Remote Code Execution on the Router

April 12, 2026

CWE-77;CWE-78

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI setLedCfg Handler

Remote Code Execution on the Router

April 12, 2026

Vulnerability Type

Category:

Code Injection / Sandbox Escape

CWE:

CWE-94;CWE-693

Impact:

Remote Code Execution via Sandbox Escape

Severity:

HIGH RISK

(8.6)

CVSS Version:

3.1

Vulnerability Type

Category:

Code Injection / Sandbox Escape

CWE:

CWE-94;CWE-693

Impact:

Remote Code Execution via Sandbox Escape

Severity:

HIGH RISK

(8.6)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

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Sandbox Escape via Incomplete AST Filtering (CWE-94) in PraisonAI Python Agent Sandbox

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI Handler setAccessDeviceCfg

CRITICAL RISK

CRITICAL

(9.8)

OS Command Injection (CWE-78) in Totolink A7100RU CGI setLedCfg Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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