Authorization Bypass in Exrick XBoot Affects User Data Privacy
CVE-2026-111689

5.3MEDIUM

Key Information:

Vendor

Exrick

Status
Xboot
Vendor
CVE Published:
16 October 2026

What is CVE-2026-111689?

Exrick XBoot version 3.3.4 is vulnerable to an authorization bypass that enables authenticated users to access sensitive user records across all departments. This flaw allows attackers to manipulate the GET /xboot/user/getByDepartmentId/{departmentId} endpoint, disregarding role-based access controls and obtaining sensitive information such as usernames, real names, mobile numbers, emails, and user statuses for any department specified in the request.

Affected Version(s)

xboot 0 <= 3.3.4

References

https://hackmd.io/@hieuPenguinnn/xboot-data-scope-filter-...
third-party-advisory
https://github.com/Exrick/xboot/blob/3.3.4/xboot-fast/src...
technical-description
https://github.com/Exrick/xboot/blob/3.3.4/xboot-fast/src...
technical-description

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

hieuPenguinnn
.