[UPDATE] [medium] vllm: Vulnerability allows denial of service
A remote authenticated attacker can exploit a vulnerability in vllm to perform a denial of service attack.
CSIRTS triage
- What
- A vulnerability in vllm allows remote authenticated attackers to perform denial-of-service attacks.
- Who is affected
- Authenticated users of vllm deployments.
- Urgency
- Medium priority as exploitation requires authentication and impact is limited to availability.
- Action
- Update vllm to patched version addressing CVE-2026-44223.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1299
Exploitation outlook
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-2026-442230.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-44223 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for vllm
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- mediumCVE-2026-78684: vLLM before 0.27.0 fails to properly classify DeepStream as a GPU backend and omits pixel-limi…nvd · 2026-08-25
- medium[UPDATE] [medium] vllm: Vulnerability allows code executioncert-bund · 2026-08-25
- medium[UPDATE] [medium] vllm: Vulnerability enables manipulation of datacert-bund · 2026-08-25
- medium[UPDATE] [medium] vllm: Multiple vulnerabilitiescert-bund · 2026-08-25
- medium[NEW] [medium] vllm: Vulnerability allows denial of servicecert-bund · 2026-08-24
- medium[UPDATE] [medium] vllm: Multiple vulnerabilitiescert-bund · 2026-08-20
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