Resource exhaustion in vLLM - CVE-2026-69147
Published: September 1, 2026
Vulnerability identifier: #VU146573
CSH Severity: Low
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-2026-69147
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the video decoding path when processing video requests with a request-selected PyNvVideoCodec backend. A remote user can send a specially crafted video request to cause a denial of service.
Exploitation requires a GPU deployment where PyNvVideoCodec is installed and usable, and the request must reach a video-capable model or path.
Affected software
vLLM
How to mitigate CVE-2026-69147
Install security update from vendor's website.
vLLM - update to 0.28.0