CVE-2026-57123

Critical

Description

PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.59, ToolsMCPServer.run_sse and launch_tools_mcp_server bind to 0.0.0.0 and create /sse and /messages/ routes without invoking the available SecurityConfig authentication, origin-validation, or DNS-rebinding controls. Any reachable client can list and invoke registered tools, and a browser can target a local instance through DNS rebinding, with impact determined by the registered file, shell, and code-execution tools. This vulnerability is fixed in praisonaiagents 1.6.59.

SeverityCritical
CVSS9.8
Exploit probability—
ProductPraisonaiagents
PublishedSep 14, 2026
First seenSep 14, 2026

How to fix

Update
  • praisonaiagents1.6.59 or later

Affected products

ProductAffected versionsFixed in
praisonaiagentsPyPIv < 1.6.591.6.59

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