EUVD-2026-33551

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...

CVE-2026-48189 Bypass DedicatedAgentToCustomerGroups Setting

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...

CVE-2026-48189

Technical details about CVE-2026-48189 are not provided in the supplied documents; no affected versions, vectors, or patches are specified. Monitor for updates from official advisories.

CVE-2026-48189: Exposure of Sensitive Information to an Unauthorized Actor

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...