CVE-2026-108871 JeecgBoot through 3.9.5 Missing Authorization via POST /sys/sysDepartRole/datarule
Low-privileged users can modify department role data rules in JeecgBoot, potentially widening data access or altering filtering for other roles.
- 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-2026-108871?
CVE-2026-108871 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 saveDatarule handler of SysDepartRoleController that lets low-privileged authenticated users modify department role data rules. Attackers can send crafted permissionId, roleId and dataRuleIds values to overwrite data_rule_ids, widening row-level data access or altering filtering for other department roles.
Weakness: CWE-862
Which versions are affected by CVE-2026-108871?
How do I fix CVE-2026-108871?
No fix has been published for CVE-2026-108871 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-2026-108871 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108871 exists.
Sources
Also known as GHSA-w6fw-28rx-2577.