CVE-2026-108886

MEDIUM CVSS 4.0: 5.3 EPSS 0.19%
Updated Oct 13, 2026
Jeecg
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions before 3.9.5
Type CWE-862 (Missing Authorization)
Vendor Jeecg
Public PoC Yes

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysUserController queryChildrenByUsername handler that allows any authenticated user to retrieve other users' account records. Low-privileged attackers can supply arbitrary userId values to obtain names, emails, phone numbers, employee numbers, department assignments, and staff lists of departments those users head.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Jeecg Jeecg_Boot
cpe:2.3:a:jeecg:jeecg_boot:*:*:*:*:*:*:*:*
— <= 3.9.5