CVE-2026-107204 [CRITICAL] – LMCache through 0.5.5 contains an unauthenticated remote code execution vulnerability that

LMCache through 0.5.5 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute Python code by posting scripts to the /run_script endpoint. Attackers can recover real builtins through the injected FastAPI app object, bypassing the guarded __import__, to import os and run operating system commands as the LMCache process.