{"id":"CVE-2026-116179","title":"vLLM 0.18.0 before 0.31.0 Memory Exhaustion via media_io_kwargs num_frames Override","summary":"vLLM from 0.18.0 before 0.31.0 contains a resource exhaustion vulnerability that allows API clients to bypass the video/jpeg frame-count cap by overriding num_frames through media_io_kwargs. Attackers can set num_frames to -1 with a larg…","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","cvssSource":"cna","cwe":["CWE-770"],"vendor":"vllm-project","product":"vllm","affected":["vllm >= 0.18.0 < 0.31.0"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-26T15:43:31.168350Z"},"published":"2026-10-25","updated":"2026-10-26","sourceUpdated":"2026-10-26T16:43:21.928Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116179","references":[{"url":"https://github.com/vllm-project/vllm/security/advisories/GHSA-4m6g-h9mv-wqjc","label":"GitHub Security Advisory (GHSA-4m6g-h9mv-wqjc)"},{"url":"https://www.vulncheck.com/advisories/vllm-0.18.0-before-0.31.0-memory-exhaustion-via-media-io-kwargs-num-frames-override","label":"VulnCheck Advisory: vLLM 0.18.0 before 0.31.0 Memory Exhaustion via media_io_kwargs num_frames Override"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-116179.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-116179"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2560444"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-116179"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116179"}],"tags":["cve.org","csaf","vex","red-hat"],"epss":0.00304,"epssPercentile":0.23079,"ingestedAt":"2026-10-25T22:08:29.946Z","slug":"CVE-2026-116179","body":"## Overview\n\nvLLM from 0.18.0 before 0.31.0 contains a resource exhaustion vulnerability that allows API clients to bypass the video/jpeg frame-count cap by overriding num_frames through media_io_kwargs. Attackers can set num_frames to -1 with a large inline video so VideoMediaIO.load_base64 decodes every frame, exhausting memory and crashing the API frontend.\n\n## Affected\n\n- `vllm >= 0.18.0 < 0.31.0`\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 2026-10-26 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-116179.json)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}