CVE-2026-108642 JeecgBoot through 3.9.5 IDOR via PUT /sys/sysAnnouncementSend/edit
Authenticated attackers can modify other users' message delivery records to hide messages by exploiting missing authorization checks in the announcement controller.
- 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-2026-108642?
CVE-2026-108642 is a medium-severity missing authorization vulnerability in JeecgBoot, published on 10 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in SysAnnouncementSendController that allows authenticated users to modify other users' message delivery records. Attackers can obtain delivery ids from GET /sys/sysAnnouncementSend/list and submit edit requests that overwrite read flags, recipient ids, or linked announcements to hide messages from recipients.
Weakness: CWE-639
Which versions are affected by CVE-2026-108642?
How do I fix CVE-2026-108642?
No fix has been published for CVE-2026-108642 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-2026-108642 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108642 exists.
Sources
Also known as GHSA-mf94-5mc9-gxww.