CVE-2026-54233: vLLM: OOM Denial of Service via Audio Decompression Bomb
(updated )
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. Tested on vLLM v0.19.0.
References
- github.com/advisories/GHSA-6pr9-rp53-2pmc
- github.com/pypa/advisory-database/tree/main/vulns/vllm/PYSEC-2026-3404.yaml
- github.com/vllm-project/vllm
- github.com/vllm-project/vllm/commit/1b1359c33269446f13c05da9a90c25174cbea590
- github.com/vllm-project/vllm/pull/44970
- github.com/vllm-project/vllm/releases/tag/v0.23.1rc0
- github.com/vllm-project/vllm/security/advisories/GHSA-6pr9-rp53-2pmc
- nvd.nist.gov/vuln/detail/CVE-2026-54233
- pypi.org/project/vllm
Code Behaviors & Features
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