CVE-2026-108876 JeecgBoot through 3.9.5 Missing Authorization via /sys/user/putCancelQuit
Low-privileged users can bypass authorization checks to restore cancelled tenant memberships, altering user status 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-2026-108876?
CVE-2026-108876 is a medium-severity missing authorization vulnerability in JeecgBoot, published on 11 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 the putCancelQuit handler of SysUserController, allowing any authenticated user to cancel user resignations. Low-privileged attackers can supply user ids and a tenantId parameter or X-Tenant-Id header to restore ended, pending, or refused tenant memberships to normal.
Weakness: CWE-862
Which versions are affected by CVE-2026-108876?
How do I fix CVE-2026-108876?
No fix has been published for CVE-2026-108876 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-2026-108876 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108876 exists.
Sources
Also known as GHSA-pmhm-r7h7-cxvj.