Auth bypass in Jeecgboot

CVE-2026-108634

JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to delete department permission bindings via the DELETE /sys/sysDepartPermission/deleteBatch endpoint. Attackers can obtain row ids from the unguarded list endpoint and submit them in the ids parameter to remove menus and buttons departments can grant to their roles.

Vulnerability class: Broken Access Control

Published .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-108634?
CVE-2026-108634 is a medium-severity vulnerability in Jeecgboot, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-10-10.
How severe is CVE-2026-108634?
Medium severity. CVSS v3 base score is 5.4 out of 10.