Medium 6.3Published Oct 15, 2026

CVE-2026-111355zhontai Admin.Core through 10.1.0 Authorization Bypass via User and Organization By-ID Endpoints

Updated under an hour ago (Oct 28, 2026, 8:50 AM ET)

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Every CVE for zhontai Admin.Core

Exploited in the last 30 days

zhontai Admin.Core through 10.1.0 contains an authorization bypass vulnerability that allows authenticated users to ignore department DataScope restrictions by supplying out-of-scope record ids. Attackers holding user or organization module permissions with Dept or Self scope can call UserService and OrgService by-id methods to read, modify, disable, and delete users in other departments.

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-639
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 16, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

zhontai Admin.Core zhontai:admin.core (from the name)	through 10.1.0	CNA record

References

References

https://hackmd.io/@hieuPenguinnn/zhontai-admin-core-by-id-missing-data-scope-cross-dept	third-party-advisory
https://github.com/zhontai/Admin.Core/blob/v10.1.0/src/modules/admin/ZhonTai.Admin/Services/User/UserService.cs#L118-L144	technical-description
https://github.com/zhontai/Admin.Core/blob/v10.1.0/src/modules/admin/ZhonTai.Admin/Services/User/UserService.cs#L595-L636	technical-description
https://github.com/zhontai/Admin.Core/blob/v10.1.0/src/modules/admin/ZhonTai.Admin/Services/User/UserService.cs#L887-L900	technical-description
https://github.com/zhontai/Admin.Core/blob/v10.1.0/src/modules/admin/ZhonTai.Admin/Services/User/UserService.cs#L977-L1000	technical-description
https://github.com/zhontai/Admin.Core/blob/v10.1.0/src/modules/admin/ZhonTai.Admin/Services/Org/OrgService.cs#L64-L68	technical-description
https://www.vulncheck.com/advisories/zhontai-admin-core-through-10.1.0-authorization-bypass-via-user-and-organization-by-id-endpoints	third-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.