---
id: CVE-2026-37237
title: >-
  vLLM up to and including 0.17.0 allows remote attackers to cause a Denial of
  Service via memory exhaustion
summary: >-
  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 …
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-400
  - CWE-770
published: '2026-08-28'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T16:03:22.897'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-37237'
references:
  - url: 'https://github.com/vllm-project/vllm/blob/main/vllm/multimodal/inputs.py'
    label: cve@mitre.org
  - url: 'https://github.com/vllm-project/vllm/pull/36506'
    label: cve@mitre.org
  - url: 'https://s00me00ne.com/cve/cve-2026-37237/'
    label: cve@mitre.org
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-37237.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-37237'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2525629'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-37237'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-37237'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
epss: 0.00532
epssPercentile: 0.4391
ingestedAt: '2026-09-09T16:14:05.517Z'
vendor: Red Hat
product: Red Hat AI Inference Server
affected:
  - ai_inference_server
  - enterprise_linux_ai_rhel_ai 3
  - openshift_ai_rhoai
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Important · affected: Red Hat AI Inference Server, Red Hat Enterprise Linux AI (RHEL AI) 3, Red Hat OpenShift AI (RHOAI) · no fix planned: Red Hat AI Inference Server, Red Hat Enterprise Linux AI (RHEL AI) 3, Red Hat OpenShift AI (RHOAI) · updated 2026-09-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-37237.json)