CVE-2026-57124
PraisonAI UI MCP connect endpoint allows unauthenticated local command execution
CRITICAL 9.8EPSS 1.0%
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.
- Affected
- MervinPraison · PraisonAI
- CVSS v3.1 GITHUB
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 1.03% chance of exploitation in the next 30 days, 63rd percentile
- Published
- 2026-09-14