CVE-2026-116179 vLLM 0.18.0 before 0.31.0 Memory Exhaustion via media_io_kwargs num_frames Override

What is CVE-2026-116179?

CVE-2026-116179 is a high-severity vulnerability in Vllm Vllm, published on 25 Oct 2026.

Official description

vLLM from 0.18.0 before 0.31.0 contains a resource exhaustion vulnerability that allows API clients to bypass the video/jpeg frame-count cap by overriding num_frames through media_io_kwargs. Attackers can set num_frames to -1 with a large inline video so VideoMediaIO.load_base64 decodes every frame, exhausting memory and crashing the API frontend.

Weakness: CWE-770

Which versions are affected by CVE-2026-116179?

It affects 1 product.

Products include Vllm Vllm.

How do I fix CVE-2026-116179?

No fix has been published for CVE-2026-116179 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-116179 being exploited?

There is no known exploitation of CVE-2026-116179 in the wild and no public exploit code.

Other vulnerabilities in Vllm Vllm

• CVE-2025-32444 vLLM Vulnerable to Remote Code Execution via Mooncake Integration Critical 10.0
• CVE-2026-22778 vLLM leaks a heap address when PIL throws an error Critical 9.8
• CVE-2025-47277 vLLM Allows Remote Code Execution via PyNcclPipe Communication Service Critical 9.8
• CVE-2024-11041 Remote Code Execution in vllm-project/vllm Critical 9.8
• CVE-2026-48746 vLLM: OpenAI auth bypass Critical 9.1

All Vllm Vllm vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• GitHub advisory
• How this page is made

Also known as GHSA-4m6g-h9mv-wqjc, GHSA-6vc9-vh4h-cxh4.