A security flaw has been discovered in ken678 YznCMS up to 2.2.0. The affected element is the function Backend of the file app/admin/controller/auth/Group.php of the component Auth Group Handler. Performing a manipulation results in improper privilege management.
The attack can be initiated remotely. Upgrading to version 2.2.1 is sufficient to fix this issue. The patch is named ed16cd7f7f73e0316ffa8a148d.
You should upgrade the affected component.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
ken678:yzncms
References 7
https://vuldb.com/vuln/429502
VDB-429502 | ken678 YznCMS Auth Group Group.php Backend privileges management
https://vuldb.com/vuln/429502/cti
VDB-429502 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/cve/CVE-2026-120185
CVE-2026-120185 | CVE Analysis and Report
https://vuldb.com/submit/1026603
Submit #1026603 | YZNCMS YznCMS 2.1.5 Privilege Escalation
https://gitee.com/ken678/YZNCMS/commit/ed16cd7f7f73e0316ffa8a148d
NVD
https://gitee.com/ken678/YZNCMS/tree/v2.2.1
NVD
https://gitee.com/ken678/YZNCMS/
NVD