CVE-2026-48189

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

CVSS v3 5.7 MEDIUM

5.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.1 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://otrs.com/release-notes/otrs-security-advisory-2026-03/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:otrs:otrs::::::::
	cpe:2.3:a:otrs:otrs::::::::

History

No history.

Information

Published : 2026-06-01 04:16

Updated : 2026-07-22 07:10

NVD link : CVE-2026-48189

Mitre link : CVE-2026-48189

CVE.ORG link : CVE-2026-48189

JSON object : View

Products Affected

otrs

otrs

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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