Low severity3.7NVD Advisory· Published Sep 26, 2026

CVE-2026-100649

Description

vLLM before 0.29.0 contains a resource-limit bypass vulnerability in PyNvVideoCodec decoder allocation where sampler subclass shadowing allows independent counter increments. Unauthenticated attackers can select different sampler subclasses in video requests to exceed configured decoder limits and exhaust unaccounted GPU memory.

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Affected products

Vllm/Vllmllm-create2 versions
<0.29.0+ 1 more
- (no CPE)range: <0.29.0
- (no CPE)range: <0.29.0

Patches

Vulnerability mechanics

References

github.com/vllm-project/vllm/security/advisories/GHSA-j682-9xp5-rrf3nvd
www.vulncheck.com/advisories/vllm-before-0.29.0-resource-limit-bypass-via-sampler-subclassnvd

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cvss	0.240
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000