CVE-2026-48189

Bypass DedicatedAgentToCustomerGroups Setting

State: Published
Severity: 5.7 Medium
Published: Jun 1, 2026
Updated: Jun 1, 2026
Reserved: May 21, 2026

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

Scores

CVSS	Score	Vector	Source
3.1	5.7 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N	OTRS

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
OTRSOTRS AG	7.0.xAffected 8.0.xAffected 2023.xAffected 2024.xAffected 2025.xAffected 2026.x through 2026.3.xAffected

References

https://otrs.com/release-notes/otrs-security-advisory-2026-03/

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