CVE-2026-116179

HighCVSS 7.5/10Last modified Oct 28, 2026

Description

vLLM from 0.18.0 before 0.31.0 contains a resource exhaustion vulnerability that allows API clients to bypass the video/jpeg frame-count cap by overriding num_frames through media_io_kwargs. Attackers can set num_frames to -1 with a large inline video so VideoMediaIO.load_base64 decodes every frame, exhausting memory and crashing the API frontend.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
vllm-project	vllm	>= 0.18.0, < 0.31.0

References

https://github.com/vllm-project/vllm/security/advisories/GHSA-4m6g-h9mv-wqjcPatch, Vendor Advisory
https://www.vulncheck.com/advisories/vllm-0.18.0-before-0.31.0-memory-exhaustion-via-media-io-kwargs-num-frames-overrideThird Party Advisory

Timeline

Published: Oct 25, 2026
Last modified: Oct 28, 2026
NVD status: Analyzed

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