High severity7.5NVD Advisory· Published Aug 28, 2026· Updated Sep 29, 2026
CVE-2026-37237
CVE-2026-37237
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
3- github.com/vllm-project/vllm/pull/36506nvdIssue TrackingPatch
- s00me00ne.com/cve/cve-2026-37237/nvdThird Party Advisory
- github.com/vllm-project/vllm/blob/main/vllm/multimodal/inputs.pynvdProduct
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