Critical severity9.8NVD Advisory· Published Sep 14, 2026· Updated Sep 15, 2026
CVE-2026-57124
CVE-2026-57124
Description
PraisonAI is a multi-agent teams system. Prior to 4.6.59, the default UI host applications expose POST /api/mcp/connect without mandatory authentication and accept caller-controlled command and args values that PraisonAIUI passes to StdioMCPClient to start a local process. Because the UI commands bind to 0.0.0.0 by default, a reachable unauthenticated client can execute commands as the UI service account even when the MCP handshake later fails. This vulnerability is fixed in 4.6.59.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
praisonaiPyPI | < 4.6.59 | 4.6.59 |
Affected products
1Patches
Vulnerability mechanics
References
4News mentions
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