Vulnerability · Published Jun 1, 2026 · Assigned by OTRS

CVE-2026-48189Bypass DedicatedAgentToCustomerGroups Setting

Medium 5.7

In plain English

A medium-severity information exposure in OTRS from OTRS AG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.1)5.7Medium
Exploit odds (30 days)0.2%top 90.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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

Affected products (as reported)

VendorProductVersions
OTRS AG OTRS 7.0.x8.0.x2023.x2024.x2025.x2026.x – through 2026.3.x

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

References