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.
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Meta Information
Published
2026-04-09
Last Modified
2026-04-15
Generated
2026-06-16
AI Q&A
2026-04-10
EPSS Evaluated
2026-06-15
NVD
CVE-2026-40154
EUVD
EUVD-2026-21212
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
praison praisonai to 4.5.128 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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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.
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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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