Resource management error in vLLM - CVE-2025-62426
Published: November 28, 2025
Vulnerability identifier: #VU118831
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-62426
CWE-ID: CWE-399
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 improper management of internal resources within the /v1/chat/completions and /tokenize endpoints. A remote user can send large requests to the affected endpoints and perform a denial of service (DoS) attack.
Affected software
vLLM
How to mitigate CVE-2025-62426
Install updates from vendor's website.
vLLM - update to 0.11.1