CVE-2026-108880 JeecgBoot through 3.9.5 Missing Authorization via /sys/dict/editDictByLowAppId
Authenticated users can modify low-code application dictionaries without proper authorization checks, allowing unauthorized data modification.
- 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-2026-108880?
CVE-2026-108880 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 PUT /sys/dict/editDictByLowAppId endpoint that allows any authenticated user to modify low-code application dictionaries. Attackers can supply a dictionary's low_app_id, obtained from GET /sys/dict/list, via the lowAppId parameter or X-Low-App-ID header to rename dictionaries and replace their items.
Weakness: CWE-862
Which versions are affected by CVE-2026-108880?
How do I fix CVE-2026-108880?
No fix has been published for CVE-2026-108880 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-2026-108880 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108880 exists.
Sources
Also known as GHSA-2274-mgcg-m5j6.