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CVE PROGRAM SOURCE RECORD6.3 Medium

CVE-2026-100649

vLLM before 0.29.0 Resource Limit Bypass via Sampler Subclass

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

vllm-project vllm

Default version status: unaffected

  • 0 to < 0.29.0affected
  • 0.29.0unaffected
pkg:pypi/vllm

References