#VU121142 Resource exhaustion in vLLM - CVE-2025-46560

 

#VU121142 Resource exhaustion in vLLM - CVE-2025-46560

Published: January 9, 2026


Vulnerability identifier: #VU121142
Vulnerability risk: Medium
CVSSv4.0: 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-2025-46560
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
vLLM
Software vendor:
vLLM

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists in the input preprocessing logic of the multimodal tokenizer. A remote user can pass specially crafted data to the application to trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links