CVE-2026-5999 JeecgBoot SysAnnouncementController improper authorization
Remote attackers can bypass authorization in JeecgBoot's SysAnnouncementController to access or modify announcement data.
- 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-2026-5999?
CVE-2026-5999 is a medium-severity missing authorization vulnerability in JeecgBoot, published on 10 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in JeecgBoot up to 3.9.1. This impacts an unknown function of the component SysAnnouncementController. Such manipulation leads to improper authorization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor confirmed the issue and will provide a fix in the upcoming release.
Which versions are affected by CVE-2026-5999?
How do I fix CVE-2026-5999?
No fix has been published for CVE-2026-5999 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-2026-5999 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5999 exists.
Sources
Also known as GHSA-8gx4-v2gf-w2cr.