CVE-2026-100878

A vulnerability was identified in zhistaredu StarTraining up to 3.8.1. Affected by this issue is the function SysUser.isAdmin of the file edu-common/src/main/java/com/edu/common/core/domain/entity/SysUser.java of the component authRole Endpoint. The manipulation of the argument userId/roleIds leads to authorization bypass. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/ArrestX/startraining-advisories/blob/main/advisories/ST-VULN-004-idor-auth-role-privesc.md
https://vuldb.com/cve/CVE-2026-100878
https://vuldb.com/submit/915510
https://vuldb.com/vuln/410808
https://vuldb.com/vuln/410808/cti

Configurations

No configuration.

History

27 Sep 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-27 21:17

Updated : 2026-09-28 15:16

NVD link : CVE-2026-100878

Mitre link : CVE-2026-100878

CVE.ORG link : CVE-2026-100878

JSON object : View

Products Affected

No product.

CWE

CWE-285

Improper Authorization

CWE-639

Authorization Bypass Through User-Controlled Key

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