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CVE-2026-93436

vLLM through 0.29.0 Memory Exhaustion via Rejected Requests

CVSS 4.0 8.7 HIGHCVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-93436

Published

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.

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Affected versions, risk and source history

Advisory history

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23 Oct 2026 15:48:27 UTC

vLLM through 0.29.0 Memory Exhaustion via Rejected Requests

cve-program · CVE-2026-93436 · Published

This historical link shows only this version and versions saved before it. Browse all advisory history.