CVE-2026-37237

vLLM up to and including 0.17.0 allows remote attackers to cause a Denial of Service via memory exhaustion. The AsyncMediaIO.fetch_audio and AsyncMediaIO.fetch_image functions in multimodal/inputs.py fetch user-supplied media URLs using aiohttp and call r.read() without enforcing a maximum response size, allowing an attacker to exhaust server memory by providing a URL to an arbitrarily large file.

• CWE-400

• https://github.com/vllm-project/vllm/blob/main/vllm/multimodal/inputs.pyProduct
• https://github.com/vllm-project/vllm/pull/36506Issue Tracking, Patch
• https://s00me00ne.com/cve/cve-2026-37237/Third Party Advisory

Published

Aug 28, 2026

Last Modified

Sep 29, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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