CVE-2026-48189 Details
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
A vulnerability in the OTRS Customer Backend module has been identified, allowing improper input validation that could lead to unauthorized access to customer information restricted from certain groups. This issue affects OTRS versions 7.0.X, 8.0.X, 2023.X, 2024.X, 2025.X, and 2026.X prior to 2026.4.X. The vulnerability is only applicable if the feature is enabled and CustomerGroupSupport is utilized.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 1, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://otrs.com/release-notes/otrs-security-advisory-2026-03/ | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| otrs otrs | >= 7.0.0, <= 8.0.37 >= 2023.0.0, < 2026.4.1 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | Initial Analysis | [email protected] |
| Jun 1, 2026 | New CVE Received | [email protected] |