{"id":"CVE-2026-100649","revision":null,"records":[{"revision":"c3770f46fcaf4db0bcc20027e9f869a2","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-100649","aliases":[],"title":"vLLM before 0.29.0 Resource Limit Bypass via Sampler Subclass","description":"vLLM before 0.29.0 contains a resource-limit bypass vulnerability in PyNvVideoCodec decoder allocation where sampler subclass shadowing allows independent counter increments. Unauthenticated attackers can select different sampler subclasses in video requests to exceed configured decoder limits and exhaust unaccounted GPU memory.","state":0,"publishedAt":"2026-09-26T13:23:19.687+00:00","modifiedAt":"2026-10-02T18:00:11.135+00:00","affected":[{"ecosystem":"Vendor product","name":"vllm","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"vllm-project\",\n                    \"product\": \"vllm\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:pypi/vllm\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"0.29.0\"\n                        },\n                        {\n                            \"version\": \"0.29.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","score":3.7,"severity":"LOW"}],"references":["https://github.com/vllm-project/vllm/security/advisories/GHSA-j682-9xp5-rrf3","https://www.vulncheck.com/advisories/vllm-before-0.29.0-resource-limit-bypass-via-sampler-subclass"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-100649","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-100649","identifiers":["CVE-2026-100649"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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