Improper validation of array index in vLLM - CVE-2025-62372

 

Improper validation of array index in vLLM - CVE-2025-62372

Published: November 28, 2025 / Updated: January 22, 2026


Vulnerability identifier: #VU118832
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-62372
CWE-ID: CWE-129
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 perform a denial of service (DoS) attack.

The vulnerability exists due to an error when handling multimodal embeddings. A remote user can send multimodal embedding inputs with correct ndim but incorrect shape, regardless of whether the model is intended to support such inputs and perform a denial of service attack. 


How to mitigate CVE-2025-62372

Install updates from vendor's website.

Sources