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CVE-2026-75128

Langchain-Chatchat through 0.3.1.3 Unauthenticated RCE via /tools/call Endpoint

Published
Last modified
Status
published
Known exploitation
Not listed in CISA KEV
Public exploit
None on Exploit-DB

Summary

Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without authentication, leaving the always-registered shell tool callable. Remote attackers can send a single request naming the shell tool to execute arbitrary OS commands as the server user (root in the shipped Docker image).

Affected versions

  • chatchat-space Langchain-Chatchat

    through 0.3.1.3

References 3

lasso.security

GitHub · chatchat-space/Langchain-Chatchat

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