Missing Authentication for Critical Function Affecting praisonai package, versions [,4.5.140)
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- published12 Apr 2026
- disclosed10 Apr 2026
- creditHimanshu Gupta
Introduced: 10 Apr 2026
NewCVE-2026-40289 (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 Missing Authentication for Critical Function via the start_session parameter. An attacker can gain unauthorized access to active browser automation sessions and receive sensitive automation output by connecting to the exposed WebSocket endpoint without authentication or an Origin header.