CVE-2026-108866 JeecgBoot through 3.9.5 Missing Authorization via /sys/api/queryUserAuths
Authenticated low-privileged users can read any account's permissions and identify administrators by supplying an arbitrary userId parameter.
- 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-2026-108866?
CVE-2026-108866 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 that allows authenticated users to read any account's permissions via the queryUserAuths handler. Low-privileged attackers can supply an arbitrary userId parameter to retrieve another user's complete permission set and identify administrator accounts.
Weakness: CWE-862
Which versions are affected by CVE-2026-108866?
How do I fix CVE-2026-108866?
No fix has been published for CVE-2026-108866 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-2026-108866 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108866 exists.
Sources
Also known as GHSA-7xj8-xwgj-5prc.