{"id":"CVE-2026-112268","title":"sglang-router through 0.3.2 Authorization Bypass via Mesh HA Management Routes","summary":"sglang-router (sgl-model-gateway) through 0.3.2 contains an authorization bypass vulnerability that allows holders of the data-plane API key to access mesh HA management routes because /ha/* endpoints skip control-plane Admin role checks…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","cvssSource":"cna","cwe":["CWE-863"],"vendor":"sgl-project","product":"sglang-router","affected":["sglang-router <= 0.3.2"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-22T02:47:59.535507Z"},"exploitAvailable":true,"published":"2026-10-19","updated":"2026-10-22","sourceUpdated":"2026-10-22T02:48:54.213Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112268","references":[{"url":"https://github.com/sgl-project/sglang/issues/45006"},{"url":"https://github.com/sgl-project/sglang/pull/45017"},{"url":"https://github.com/sgl-project/sglang/blob/v0.5.22/sgl-model-gateway/src/server.rs#L641-L675"},{"url":"https://www.vulncheck.com/advisories/sglang-router-through-0.3.2-authorization-bypass-via-mesh-ha-management-routes","label":"VulnCheck Advisory: sglang-router through 0.3.2 Authorization Bypass via Mesh HA Management Routes"}],"tags":["cve.org","exploit-available"],"epss":0.00324,"epssPercentile":0.25345,"ingestedAt":"2026-10-19T14:30:01.074Z","slug":"CVE-2026-112268","body":"## Overview\n\nsglang-router (sgl-model-gateway) through 0.3.2 contains an authorization bypass vulnerability that allows holders of the data-plane API key to access mesh HA management routes because /ha/* endpoints skip control-plane Admin role checks. Attackers can read cluster topology, write gossiped configuration, change global rate limits, and call POST /ha/shutdown to silently dissolve HA coordination.\n\n## Affected\n\n- `sglang-router <= 0.3.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":34.7,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":227492,"id":"CVE-2026-112268","ts":1792639556697,"field":"exploit_available","old":"false","new":"true"}]}