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.

CVSS Vector

References

• https://github.com/vllm-project/vllm/blob/main/vllm/multimodal/inputs.py
• https://github.com/vllm-project/vllm/pull/36506
• https://s00me00ne.com/cve/cve-2026-37237/