Medium severity · published May 26, 2026
CVE-2026-9579
JeecgBoot SysUser userEdit user.getUsername access control
6.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JE
JeecgBoot · Jeecgboot
3.9.0; 3.9.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9579
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9579
github.com
https://github.com/jeecgboot/JeecgBoot/
github.com
https://github.com/jeecgboot/JeecgBoot/issues/9596
github.com
https://github.com/jeecgboot/JeecgBoot/issues/9596#issuecomment-4385414813
github.com
https://github.com/jeecgboot/JeecgBoot/releases/tag/v3.9.2
vuldb.com
https://vuldb.com/submit/817891
vuldb.com
https://vuldb.com/vuln/365635
More from JeecgBoot
8.1
CVE-2026-108657
JeecgBoot through 3.9.5 Missing Authorization via /sys/tenant/passApply
8.1
CVE-2026-108628
JeecgBoot through 3.9.5 Missing Authorization via saveDeptRolePermission Endpoint
8.1
CVE-2026-58377
JeecgBoot 3.9.2 - Missing Authorization on OpenAPI Credential Management Endpoints Exposes Access/Secret Keys
7.3
CVE-2026-19000
JeecgBoot Anonymous Chat Attachment send server-side request forgery
7.3
CVE-2026-9580
JeecgBoot selectDepart LoginController.selectDepart access control