Vulnerability · Published May 26, 2026 · Assigned by VulDB
CVE-2026-9579JeecgBoot SysUser userEdit user.getUsername access control
Medium 6.3
In plain English
A medium-severity improper access control in JeecgBoot. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).
Official description
A vulnerability was found in JeecgBoot up to 3.9.1. Impacted is the function user.getUsername of the file /sys/user/login/setting/userEdit of the component SysUser. The manipulation of the argument userIdentity results in improper access controls. The attack may be launched remotely. The exploit has been made public and could be used. Upgrading to version 3.9.2 is recommended to address this issue. The affected component should be upgraded.
Affected products (as reported)
Weakness: CWE-284, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
References
- VDB-365635 | JeecgBoot SysUser userEdit user.getUsername access control vdb-entry, technical-description
- VDB-365635 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #817891 | JeecgBoot 3.9.1 Improper Access Controls third-party-advisory
- https://github.com/jeecgboot/JeecgBoot/issues/9596 exploit, issue-tracking
- https://github.com/jeecgboot/JeecgBoot/issues/9596#issuecomment-4385414813 issue-tracking
- https://github.com/jeecgboot/JeecgBoot/releases/tag/v3.9.2 patch
- https://github.com/jeecgboot/JeecgBoot/ product