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: 7.1 [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]
CVE-ID: CVE-2025-62372
CWE-ID: CWE-129
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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. 


Affected software

vLLM
AI Inference Server

How to mitigate CVE-2025-62372

Install updates from vendor's website.

vLLM - update to 0.11.1
AI Inference Server - update to 3.2.5

External References

Related Security Bulletins