Resource exhaustion in Vllm-Project Vllm
CVE-2026-114052
vLLM after 0.24.0 and before 0.31.0 contains a memory exhaustion vulnerability in MOSS-Audio model serving that caches a processor for every distinct request-controlled mm_processor_kwargs value in an unbounded dictionary. Unauthenticated attackers can send distinct or oversized mel_config values to the /tokenize endpoint, which bypasses --api-key, to exhaust host memory and crash the API process.
Published .
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-823j-m4cj-hmjf (vendor-advisory)
- www.vulncheck.com/advisories/vllm-0.25.0-before-0.31.0-moss-audio-memory-exhaus… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-114052?
- CVE-2026-114052 is a high-severity vulnerability in Vllm-Project Vllm, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-10-21.
- How severe is CVE-2026-114052?
- High severity. CVSS v3 base score is 7.5 out of 10.