CVE-2026-9579

JeecgBoot SysUser userEdit user.getUsername access control

State: Published
Severity: 5.3 Medium
Published: May 26, 2026
Updated: May 27, 2026
Reserved: May 26, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	6.3 Medium	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	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-284 Improper Access Controls
CWE-266 Incorrect Privilege Assignment

Affected Products

Product	Versions
JeecgBootn/a	3.9.0Affected 3.9.1Affected 3.9.2Not affected

References

VDB-365635 | JeecgBoot SysUser userEdit user.getUsername access controlvdb-entrytechnical-description
VDB-365635 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #817891 | JeecgBoot 3.9.1 Improper Access Controlsthird-party-advisory
https://github.com/jeecgboot/JeecgBoot/issues/9596exploitissue-tracking
https://github.com/jeecgboot/JeecgBoot/issues/9596#issuecomment-4385414813issue-tracking
https://github.com/jeecgboot/JeecgBoot/releases/tag/v3.9.2patch
https://github.com/jeecgboot/JeecgBoot/product

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