{"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":0.43689,"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"],"slug":"CVE-2026-37237","body":"## Overview\n\nvLLM 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **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)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}