{"id":"CVE-2026-100648","title":"vllm before 0.29.0 fails to enforce VLLM_MAX_AUDIO_CLIP_FILESIZE_MB limit in multimodal chat audio decoding, allowing unauthenticated clients to bypass file size restrictions","summary":"vllm before 0.29.0 fails to enforce VLLM_MAX_AUDIO_CLIP_FILESIZE_MB limit in multimodal chat audio decoding, allowing unauthenticated clients to bypass file size restrictions. Attackers can submit oversized audio files through chat endpo…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-400","CWE-770"],"vendor":"vllm","product":"vllm","affected":["vllm < 0.29.0"],"patched":["vllm 0.29.0"],"published":"2026-09-26","updated":"2026-10-06","sourceUpdated":"2026-10-06T19:40:20.020","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100648","references":[{"url":"https://github.com/vllm-project/vllm/security/advisories/GHSA-jcq2-4gch-5qhf","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/vllm-before-0.29.0-uncontrolled-resource-consumption-via-audio-decoding","label":"disclosure@vulncheck.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-100648.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-100648"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2541825"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-100648"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100648"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00351,"epssPercentile":0.28607,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-28T16:40:22.871965Z"},"ingestedAt":"2026-09-26T13:33:20.921Z","slug":"CVE-2026-100648","body":"## Overview\n\nvllm before 0.29.0 fails to enforce VLLM_MAX_AUDIO_CLIP_FILESIZE_MB limit in multimodal chat audio decoding, allowing unauthenticated clients to bypass file size restrictions. Attackers can submit oversized audio files through chat endpoints to consume excessive memory and CPU resources during decoding.\n\n## Affected\n\n- `vllm < 0.29.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `vllm 0.29.0`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · 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 2026-10-01 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-100648.json)","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}