CVE-2026-100648

MEDIUM 5.3

vllm before 0.29.0 Uncontrolled Resource Consumption via Audio Decoding

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-400
Vendor	vllm-project
Product	vllm
Published	Sep 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

vllm-project / vllm

0 < 0.29.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/vllm-project/vllm/security/advisories/GHSA-jcq2-4gch-5qhf vulncheck.com: https://www.vulncheck.com/advisories/vllm-before-0.29.0-uncontrolled-resource-consumption-via-audio-decoding

Credits

🔍 santhreal jperezdealgaba