rootpwn

high · CVSS v3 7.5 · CVSS v4 8.7

CVE-2026-94622

vLLM versions through 0.29.0 contain a denial of service vulnerability in the NIXL connector's metadata handling for pre…

Description

vLLM versions through 0.29.0 contain a denial of service vulnerability in the NIXL connector's metadata handling for prefill/decode disaggregated deployments. Attackers can send requests with incomplete kv_transfer_params dictionary entries to trigger an uncaught KeyError in EngineCore scheduling, causing the decode engine to terminate and making all routed requests fail until manual restart.

Scores

Severity
high
CVSS v2
7.8
CVSS v3
7.5
CVSS v4
8.7
EPSS

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