CVE-2026-114052 vLLM 0.25.0 before 0.31.0 MOSS-Audio Memory Exhaustion via /tokenize mm_processor_kwargs
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-114052?
CVE-2026-114052 is a high-severity vulnerability in vllm-project vllm, published on 21 Oct 2026.
Official description
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.
Weakness: CWE-770
Which versions are affected by CVE-2026-114052?
How do I fix CVE-2026-114052?
No fix has been published for CVE-2026-114052 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-114052 being exploited?
There is no known exploitation of CVE-2026-114052 in the wild and no public exploit code.
Sources
Also known as GHSA-823j-m4cj-hmjf, GHSA-h4cj-w5f7-mjp3.