CVE-2026-93436

Fixed upstream EPSS <1%CVSS 7.5

vLLM through 0.29.0 fails to properly clean up decode-side metadata for rejected inference requests in prefill/decode disaggregated deployments. Remote attackers can submit requests with max_tokens=0 to exhaust decode-worker memory without bound until the worker restarts.

Published 2026-09-17 · CVE record · OSV

Products: vllm-project vllm

Fixed upstream