CVE-2026-108646 JeecgBoot through 3.9.5 Missing Authorization via /sys/category/importExcel
Low-privileged users can bypass authorization to bulk insert arbitrary entries into the system-wide category dictionary via Excel import.
- 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-2026-108646?
CVE-2026-108646 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 the SysCategoryController importExcel handler that allows any authenticated user to import category dictionary entries. Low-privileged attackers can upload crafted Excel workbooks to bulk insert arbitrary nodes into the system-wide sys_category dictionary, including under existing parent nodes.
Weakness: CWE-862
Which versions are affected by CVE-2026-108646?
How do I fix CVE-2026-108646?
No fix has been published for CVE-2026-108646 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-2026-108646 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108646 exists.
Sources
Also known as GHSA-xrqv-cwxg-4rp6.