Protection mechanism failure in vLLM - CVE-2025-66448

 

Protection mechanism failure in vLLM - CVE-2025-66448

Published: December 2, 2025


Vulnerability identifier: #VU119041
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-66448
CWE-ID: CWE-693
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: vLLM
Affected software:
vLLM

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary code on the system.

The vulnerability exists due to the application ignores the "trust_remote_code=False" option set in vllm.transformers_utils.config.get_config file. A remote user can load a model config that contains an auto_map entry and execute arbitrary Python code from a remote repository referenced in auto_map string.


How to mitigate CVE-2025-66448

Install updates from vendor's website.

Sources