CVE-2026-94625: Vllm

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

vLLM through 0.29.0 contains a resource exhaustion vulnerability in MooncakeConnector where rejected prefill requests create ownerless transfer placeholders that are never reclaimed. Attackers can send rejected requests to exhaust sender task pools, causing valid requests to be delayed by up to 480 seconds while health checks continue returning success.

Affected products

  • Vllm Vllm: up to and including 0.29.0

Published 2026-09-21. Last modified 2026-09-29.