Description

vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.23.1rc0, vLLM's /v1/audio/transcriptions endpoint limits compressed upload size but not decoded PCM output. A 25MB OPUS file expands to ~14.9GB of float32 PCM at decode time. This vulnerability is fixed in 0.23.1rc0.

Severity (CVSS)

Base score6.5
SeverityMedium
VersionCVSS 3.1
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Provided byCNA

Weaknesses

  • CWE-409 — CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)

Affected products

VendorProductVersions
vllm-projectvllm< 0.23.1rc0

References

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 23 Jun 2026 10:05 UTC.