CVE-2026-108870 JeecgBoot through 3.9.5 Missing Authorization via POST /sys/role/datarule
Low-privileged users can modify role data rules to bypass row-level security filters, potentially reading or altering unauthorized records.
- 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-2026-108870?
CVE-2026-108870 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 SysRoleController saveDatarule handler that allows low-privileged authenticated users to modify role data rules. Attackers can send permissionId, roleId and dataRuleIds to overwrite data_rule_ids, clearing row-level filters to widen readable records or altering filtering for other roles.
Weakness: CWE-862
Which versions are affected by CVE-2026-108870?
How do I fix CVE-2026-108870?
No fix has been published for CVE-2026-108870 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-2026-108870 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108870 exists.
Sources
Also known as GHSA-898h-4prp-w6gp.