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CVE-2026-54233

vLLM: OOM Denial of Service via Audio Decompression Bomb PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
vllm-project / vllmaffected < 0.23.1rc0

CWE

CWE-409

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.