CVE-2026-9579

Medium

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.

SeverityMedium

CVSS6.3

Exploit probability—

ProductJeecgboot

PublishedMay 26, 2026

First seenMay 26, 2026

Weakness typeCWE-284Improper access control CWE-266CWE-266

How to fix

Patches

github.com/jeecgboot/JeecgBoot/releases/tag/v3.9.2

Affected products

Product	Affected versions	Fixed in
jeecgboot jeecgboot	3.9.0, 3.9.1	—

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