CVE-2026-112268sglang-router through 0.3.2 Authorization Bypass via Mesh HA Management Routes
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No exploitation reported and no EPSS estimate yet.
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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. Attackers can read cluster topology, write gossiped configuration, change global rate limits, and call POST /ha/shutdown to silently dissolve HA coordination.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- Weakness (CWE)
- CWE-863
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 19, 2026
- First seen by InfoSec Signals
- Oct 19, 2026
Affected products
sgl-project sglang-router sgl_project:sglang_router (from the name) | through 0.3.2 | CNA record |
References
- https://github.com/sgl-project/sglang/issues/45006issue-tracking
- https://github.com/sgl-project/sglang/pull/45017patch, issue-tracking
- https://github.com/sgl-project/sglang/blob/v0.5.22/sgl-model-gateway/src/server.rs#L641-L675technical-description
- https://www.vulncheck.com/advisories/sglang-router-through-0.3.2-authorization-bypass-via-mesh-ha-management-routesthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.