CVE-2026-108875
JeecgBoot through 3.9.5 Missing Authorization via /sys/user/addSysUserGroup
MEDIUM 5.3EPSS 0.2%
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysUserController addSysUserGroup handler that allows any authenticated user to modify user group membership. Low-privileged attackers can send POST requests with arbitrary user ids and a groupId to add any users to administrator-maintained groups without permission checks.
- Affected
- jeecgboot · JeecgBoot
- CVSS v4.0 VULNCHECK
- 5.3 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 VULNCHECK
- 4.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - EPSS
- 0.19% chance of exploitation in the next 30 days, 8th percentile
- Published
- 2026-10-11
- Updated
- 2026-10-14
Proof-of-concept exploits (1)
- AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_us…0★ · 2026-10-10