CVE-2026-108651

Description

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the getRolesByUserId handler of SystemApiController that allows authenticated users to retrieve any user's role codes. Low-privileged attackers can supply arbitrary userId values to GET /sys/api/getRolesByUserId to enumerate role assignments and identify administrator accounts.

References

• https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_c095_sys_api_roles.py
• https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/api/controller/SystemApiController.java#L155-L158
• https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-api-getrolesbyuserid