CVE-2026-57139

Summary

PraisonAI is a multi-agent teams system. From 1.5.0 until 1.7.2, MCPServer.startHttp() in src/praisonai-ts/src/mcp/server.ts binds without a host restriction and forwards every HTTP POST request to handleRequest() without authentication or authorization. Any network client that can reach the port can call tools/list, tools/call, resources/read, or prompts/get, causing registered handlers to run with server-side credentials and process privileges or disclose registered data. An initial remediation was released in version 1.7.2.

Affected Software

VendorProductVersion RangeStatus
MervinPraisonPraisonAI>= 1.5.0, < 1.7.2affected

Weaknesses

  • CWE-306: CWE-306: Missing Authentication for Critical Function
  • CWE-862: CWE-862: Missing Authorization
  • CWE-1188: CWE-1188: Insecure Default Initialization of Resource

References