What’s Vulnerable › Vulnerabilities

CVE-2026-48189: Bypass DedicatedAgentToCustomerGroups Setting

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

Affected products

How to fix

Upgrade to a fixed version: OTRS AG OTRS 2026.4.1. Check the vendor advisory for mitigations.

References

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