CVE-2026-100649

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.

CVSS v3 3.7 LOW

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/vllm-project/vllm/security/advisories/GHSA-j682-9xp5-rrf3	Vendor Advisory
https://www.vulncheck.com/advisories/vllm-before-0.29.0-resource-limit-bypass-via-sampler-subclass	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*

History

06 Oct 2026, 19:37

Type	Values Removed	Values Added
References	~~() https://github.com/vllm-project/vllm/security/advisories/GHSA-j682-9xp5-rrf3 -~~	() https://github.com/vllm-project/vllm/security/advisories/GHSA-j682-9xp5-rrf3 - Vendor Advisory
References	~~() https://www.vulncheck.com/advisories/vllm-before-0.29.0-resource-limit-bypass-via-sampler-subclass -~~	() https://www.vulncheck.com/advisories/vllm-before-0.29.0-resource-limit-bypass-via-sampler-subclass - Third Party Advisory
CPE		cpe:2.3:a:vllm:vllm::::::::
First Time		Vllm vllm Vllm

26 Sep 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-26 14:16

Updated : 2026-10-06 19:37

NVD link : CVE-2026-100649

Mitre link : CVE-2026-100649

CVE.ORG link : CVE-2026-100649

JSON object : View

Products Affected

vllm

vllm

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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