{"id":"CVE-2026-112266","revision":"5d2ec6d767ce4fd097103895370d3dc6","records":[{"revision":"5d2ec6d767ce4fd097103895370d3dc6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-112266","aliases":[],"title":"SGLang through 0.5.22 Cross-Request Abort via rid Prefix Matching","description":"SGLang through 0.5.22 contains a denial of service vulnerability that allows API clients to abort other users' in-flight generation requests by supplying a short client-controlled rid. Attackers can submit streaming /generate requests with single hex character rids and disconnect, triggering prefix-matching abort logic that terminates all other clients' requests.","state":0,"publishedAt":"2026-10-19T13:55:15.822+00:00","modifiedAt":"2026-10-19T14:21:40.361+00:00","affected":[{"ecosystem":"Vendor product","name":"sglang","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"sgl-project\",\n                    \"product\": \"sglang\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"0.5.22\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:pypi/sglang\",\n                    \"repo\": \"https://github.com/sgl-project/sglang\"\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:H/SC:N/SI:N/SA:N","score":8.2,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9,"severity":"MEDIUM"}],"references":["https://github.com/sgl-project/sglang/issues/45002","https://github.com/sgl-project/sglang/issues/41474","https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/managers/scheduler.py#L5458-L5590","https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/managers/tokenizer_manager.py#L2425-L2436","https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/managers/tokenizer_manager.py#L2240-L2256","https://www.vulncheck.com/advisories/sglang-through-0.5.22-cross-request-abort-via-rid-prefix-matching"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112266","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-112266","identifiers":["CVE-2026-112266"]},"retained":false,"historicalAffected":[]}],"coverage":[]}