Allocation of Resources Without Limits or Throttling in vLLM - CVE-2026-105758
Published: October 6, 2026
Vulnerability identifier: #VU153331
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-105758
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in the Qwen2VLVideoBackend and Qwen3VLVideoBackend video samplers when processing video requests with request-controlled max_frames and fps values. A remote attacker can submit a crafted video request that sets excessive max_frames and fps values to cause a denial of service.
The Rust frontend is not affected.
Affected software
vLLM
How to mitigate CVE-2026-105758
Install security update from vendor's website.
vLLM - update to 0.30.0