CVE-2026-108639 JeecgBoot through 3.9.5 Missing Authorization via /sys/dict/deletePhysic/{id}

Medium 5.3 Published Updated

Low-privileged users can permanently delete data dictionaries in JeecgBoot by accessing an unprotected API endpoint, bypassing standard deletion safeguards.

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-2026-108639?

CVE-2026-108639 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 that allows any authenticated user to permanently delete data dictionaries via the deletePhysic handler of SysDictController. Low-privileged attackers can send DELETE requests to /sys/dict/deletePhysic/{id} to irreversibly remove active dictionaries and all their items, bypassing the recycle bin.

Weakness: CWE-862

Which versions are affected by CVE-2026-108639?

How do I fix CVE-2026-108639?

No fix has been published for CVE-2026-108639 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-2026-108639 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108639 exists.

Sources

Also known as GHSA-w6x3-2fqq-474q.

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