{"id":"CVE-2026-112266","title":"SGLang through 0.5.22 Cross-Request Abort via rid Prefix Matching","summary":"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 wi…","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-187"],"vendor":"sgl-project","product":"sglang","affected":["sglang <= 0.5.22"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-19T14:21:16.166551Z"},"exploitAvailable":true,"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T14:21:40.361Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112266","references":[{"url":"https://github.com/sgl-project/sglang/issues/45002"},{"url":"https://github.com/sgl-project/sglang/issues/41474"},{"url":"https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/managers/scheduler.py#L5458-L5590"},{"url":"https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/managers/tokenizer_manager.py#L2425-L2436"},{"url":"https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/managers/tokenizer_manager.py#L2240-L2256"},{"url":"https://www.vulncheck.com/advisories/sglang-through-0.5.22-cross-request-abort-via-rid-prefix-matching","label":"VulnCheck Advisory: SGLang through 0.5.22 Cross-Request Abort via rid Prefix Matching"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-10-19T14:30:01.062Z","slug":"CVE-2026-112266","body":"## Overview\n\nSGLang 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.\n\n## Affected\n\n- `sglang <= 0.5.22`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":44,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}