What’s Vulnerable › Vulnerabilities

CVE-2026-116175: vLLM 0.19.0 before 0.24.0 Audio Decompression Bomb DoS via Chat Completions

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-25 · updated 2026-10-28
• Weakness: CWE-409

Description

vLLM from 0.19.0 before 0.24.0 contains a decompression bomb vulnerability because the AudioMediaIO multimodal path calls load_audio without the max_duration_s decoded-duration limit. Authenticated attackers can send small compressed audio via input_audio or audio_url in /v1/chat/completions requests that expands to huge decoded PCM, exhausting server memory.

Affected products

• vllm-project vllm: from 0.19.0 before 0.24.0 — fixed in 0.24.0
• vllm-project vllm: from 0.19.0 before 0.24.0 — fixed in 0.24.0

How to fix

Upgrade to a fixed version: vllm-project vllm 0.24.0; vllm-project vllm 0.24.0. Check the vendor advisory for mitigations.

References

• https://github.com/vllm-project/vllm/security/advisories/GHSA-r45p-7qwx-qwjw
• https://www.vulncheck.com/advisories/vllm-0.19.0-before-0.24.0-audio-decompression-bomb-dos-via-chat-completions

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