CVE-2026-48189
MEDIUM
NVD
CVSS Score
5.7
Severity
MEDIUM
Published
Jun 01, 2026
Vendor
unknown
Description
An improper Input Validation vulnerability in OTRS Customer Backend module allows to access customer information which are restricted to other groups. Please note that the feature has to be anabled and CustomerGroupSupport has to be used to be affected. This issue affects OTRS: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X