CVE-2026-94625: Missing Release of Resource after Effective Lifetime in vllm-project vllm
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.
CVE-2026-94625: Missing Release of Resource after Effective Lifetime in vllm-project vllm
Description
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.
CVSS v4.0
Score 6.9medium
Affected software
vllm-project
vllm
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-21T21:42:27.917Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ab1acdf55bf5e2cf58d35c3
Added to database: 09/21/2026, 22:17:03 UTC
Last updated: 09/21/2026, 22:17:03 UTC
Views: 1
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