CVE-2026-48189 MEDIUM

CVE-2026-48189: Bypass DedicatedAgentToCustomerGroups Setting

Vendor Otrs Ag
Product OTRS
Weakness CWE-200 · Info exposure
Published June 1, 2026
Last update June 1, 2026
View on NVD All CVEs

CVSS base score

5.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

June 1, 2026 CVE published
June 1, 2026 Record updated