[NEW] [medium] vllm: Multiple vulnerabilities allow Denial of Service

An attacker can exploit multiple vulnerabilities in vllm to perform a Denial of Service attack.

CSIRTS triage

What: Multiple vulnerabilities allow an attacker to perform a Denial of Service attack.
Who is affected: Attackers exploiting vulnerabilities in vllm.
Urgency: Remediation is medium urgency due to the potential for Denial of Service attacks.
Action: Apply the latest patches for vllm.

AI-assisted analysis generated from the source advisory — verify against the original.

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EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-542340.62% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 47% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-555140.66% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 49% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-555740.58% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 45% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-556460.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-54234	coverage & exploitation status	NVD · CVE.org
CVE-2026-55514	coverage & exploitation status	NVD · CVE.org
CVE-2026-55574	coverage & exploitation status	NVD · CVE.org
CVE-2026-55646	coverage & exploitation status	NVD · CVE.org

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.