CVE-2026-108870

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.

References

• https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_role_datarule_write.py
• https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysRoleController.java#L475-L500
• https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-post-sys-role-datarule