CVE-2026-108641 JeecgBoot through 3.9.5 IDOR via /sys/sysAnnouncementSend/getOne
Authenticated attackers can read other users' private messages by manipulating IDs in the announcement send endpoint.
- 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-2026-108641?
CVE-2026-108641 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 an insecure direct object reference vulnerability that allows authenticated users to read other users' in-application messages via the getOne handler of SysAnnouncementSendController. Attackers can obtain delivery record ids from the unguarded /sys/sysAnnouncementSend/list endpoint and supply them as the sendId parameter to retrieve message titles, bodies, senders and recipients.
Weakness: CWE-639
Which versions are affected by CVE-2026-108641?
How do I fix CVE-2026-108641?
No fix has been published for CVE-2026-108641 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-2026-108641 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108641 exists.
Sources
Also known as GHSA-g93p-rf89-rxv4.