CVE-2026-40154

Received Received - Intake

Remote Code Execution via Untrusted Template in PraisonAI

Publication date: 2026-04-09

Last updated on: 2026-04-15

Assigner: GitHub, Inc.

Description

PraisonAI is a multi-agent teams system. Prior to 4.5.128, PraisonAI treats remotely fetched template files as trusted executable code without integrity verification, origin validation, or user confirmation, enabling supply chain attacks through malicious templates. This vulnerability is fixed in 4.5.128.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-04-09

Last Modified

2026-04-15

Generated

2026-07-06

AI Q&A

2026-04-10

EPSS Evaluated

2026-07-05

NVD

CVE-2026-40154

EUVD

EUVD-2026-21212

Affected Vendors & Products

Vendor	Product	Version / Range
praison	praisonai	to 4.5.128 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-829	The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.

Attack-Flow Graph

Executive Summary

The vulnerability in PraisonAI occurs because the system treats remotely fetched template files as trusted executable code without verifying their integrity, validating their origin, or requiring user confirmation. This means that malicious templates can be introduced through the supply chain, potentially allowing attackers to execute harmful code within the system.

Impact Analysis

This vulnerability can lead to supply chain attacks where malicious code is executed within PraisonAI by exploiting the trust placed in remotely fetched templates. The impact includes high confidentiality and integrity risks, as attackers could execute unauthorized code, potentially compromising sensitive data and system operations.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade PraisonAI to version 4.5.128 or later, where the issue is fixed.

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