CVE-2026-9579 JeecgBoot SysUser userEdit user.getUsername access control
Attackers can bypass access controls in the user edit function to modify user data, requiring an upgrade to the latest version.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9579?
CVE-2026-9579 is a medium-severity missing authorization vulnerability in JeecgBoot, published on 26 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Which versions are affected by CVE-2026-9579?
How do I fix CVE-2026-9579?
No fix has been published for CVE-2026-9579 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-9579 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9579 exists.
Sources
Also known as GHSA-q7x2-2w32-gxv3.