CVE-2026-75128 Langchain-Chatchat through 0.3.1.3 Unauthenticated RCE via /tools/call Endpoint

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...