CVE-2026-48189

Summary

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 Software

VendorProductVersion RangeStatus
OTRS AGOTRS7.0.xaffected
OTRS AGOTRS8.0.xaffected
OTRS AGOTRS2023.xaffected
OTRS AGOTRS2024.xaffected
OTRS AGOTRS2025.xaffected
OTRS AGOTRS2026.x <= 2026.3.xaffected

Weaknesses

  • CWE-200: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References