Arbitrary Code Injection Affecting praisonai package, versions [,4.5.140)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published30 Apr 2026
- disclosed10 Apr 2026
- creditLAKSHMIKANTHAN K
Introduced: 10 Apr 2026
CVE-2026-40156 (opens in a new tab)How to fix?
Upgrade PraisonAI to version 4.5.140 or higher.
Overview
PraisonAI is a PraisonAI is an AI Agents Framework with Self Reflection. PraisonAI application combines PraisonAI Agents, AutoGen, and CrewAI into a low-code solution for building and managing multi-agent LLM systems, focusing on simplicity, customisation, and efficient human-agent collaboration.
Affected versions of this package are vulnerable to Arbitrary Code Injection through the automatic loading of the tools.py file from the current working directory using importlib.util.spec_from_file_location and immediate execution via spec.loader.exec_module(). An attacker can execute arbitrary code by placing a malicious tools.py file in the working directory where the application is started.
Note: This is only exploitable if an attacker is able to write a file named tools.py to the working directory prior to application startup.