CVE-2026-54233

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.

• CWE-409

• https://github.com/vllm-project/vllm/pull/44970Issue Tracking, Patch
• https://github.com/vllm-project/vllm/security/advisories/GHSA-6pr9-rp53-2pmcThird Party Advisory

Published

Jun 22, 2026

Last Modified

Jun 24, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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