CVE-2026-108875
Medium
Description
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.
SeverityMedium
CVSS4.3
Exploit probability9. percentile0.2%
ProductJeecgBoot
PublishedOct 11, 2026
First seenOct 11, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jeecgboot JeecgBoot | v ≤ 3.9.5 | — |
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