CVE-2026-100648

Medium

Description

vllm before 0.29.0 fails to enforce VLLM_MAX_AUDIO_CLIP_FILESIZE_MB limit in multimodal chat audio decoding, allowing unauthenticated clients to bypass file size restrictions. Attackers can submit oversized audio files through chat endpoints to consume excessive memory and CPU resources during decoding.

SeverityMedium

CVSS5.3

Exploit probability—

ProductVllm

PublishedSep 26, 2026

First seenSep 26, 2026

Weakness typeCWE-400Uncontrolled resource consumption

How to fix

Update

vllm vllm0.29.0 or later

Vendor advisories

github.com/vllm-project/vllm/security/advisories/GHSA-jcq2-4gch-5qhf

Affected products

Product	Affected versions	Fixed in
vllm vllm	v < 0.29.0	0.29.0

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