Vulnerability in Vllm-Project Vllm
CVE-2026-114050
vLLM before 0.31.0 uses a client-supplied multimodal uuid verbatim as cache identity with no consistency check on cache hits, allowing engine crashes. Unauthenticated attackers can desynchronize the P0/P1 processor caches to trigger a fatal token-placeholder mismatch, killing the entire serving instance until restarted.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/vllm-project/vllm/security/advisories/GHSA-p92p-rxj5-7p2x (vendor-advisory)
- www.vulncheck.com/advisories/vllm-before-0.31.0-remote-engine-crash-via-forged-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-114050?
- CVE-2026-114050 is a high-severity vulnerability in Vllm-Project Vllm, classified under Insufficient Verification of Data Authenticity. CVSS score: 7.5/10. Published 2026-10-21.
- How severe is CVE-2026-114050?
- High severity. CVSS v3 base score is 7.5 out of 10.