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.
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Wed, 07 Oct 2026 18:45:00 +0000
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Wed, 07 Oct 2026 15:45:00 +0000
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| Description | 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. | |
| Title | LMCache through 0.5.5 Unauthenticated RCE via /run_script Endpoint | |
| Weaknesses | CWE-306 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-07T15:24:03.214Z
Updated: 2026-10-07T17:09:21.989Z
Reserved: 2026-10-07T14:31:44.218Z
Link: CVE-2026-107204
Updated: 2026-10-07T17:09:12.623Z
Status : Deferred
Published: 2026-10-07T16:17:45.113
Modified: 2026-10-08T21:07:19.997
Link: CVE-2026-107204
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