Vulnerability DatabaseCVE-2026-54233
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CVE-2026-54233
Published:June 22, 2026
Updated:June 29, 2026
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.
Related Resources (5)
https://github.com/vllm-project/vllm
https://github.com/vllm-project/vllm/security/advisories/GHSA-6pr9-rp53-2pmc
https://github.com/vllm-project/vllm/releases/tag/v0.23.1rc0
https://github.com/vllm-project/vllm/commit/1b1359c33269446f13c05da9a90c25174cbea590
https://github.com/vllm-project/vllm/pull/44970
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Improper Handling of Highly Compressed Data (Data Amplification)
CWE-409
EPSS
Base Score:
0.24