Decompression Bomb Vulnerability in vLLM Audio Processing
CVE-2026-116175

7.1HIGH

Key Information:

Vendor

Vllm-project

Status
Vllm
Vendor
CVE Published:
25 October 2026

What is CVE-2026-116175?

The vLLM product, from version 0.19.0 to prior to 0.24.0, is susceptible to a decompression bomb vulnerability. This arises because the AudioMediaIO multimodal path invokes load_audio without applying a maximum duration limit on the decoded audio. Authenticated attackers can exploit this by sending small compressed audio files through the input_audio or audio_url parameters in /v1/chat/completions requests. These small inputs can decompress to a significantly larger size, consuming excessive server memory and potentially leading to denial-of-service conditions.

Affected Version(s)

vllm 0.19.0 < 0.24.0

vllm 0.24.0

References

https://github.com/vllm-project/vllm/security/advisories/...
vendor-advisory
https://www.vulncheck.com/advisories/vllm-0.19.0-before-0...
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

rexpository
jperezdealgaba
.