SA-26-661 Medium

vLLM: VLLM through 0.29.0 contains a resource exhaustion vulnerability in MooncakeConnector where…

vLLM

Severity
Medium, CVSS 5.3
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Record
CVE-2026-94625
Affects
vLLM
Known exploited
Not listed in the CISA Known Exploited Vulnerabilities catalog
Published
Record first published by the source
September 21, 2026
Source last modified
September 29, 2026

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.

Description quoted from the NVD record.

Sources

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