CVE-2026-48189

Bypass DedicatedAgentToCustomerGroups Setting

CVSS 5.7 MEDIUMEPSS 0.2%CWE-200

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.7EPSS 0.2%KEV nãoPoC —Patch —

Lifecycle

Jun 01, 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Affected products

OTRS AG · OTRS

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References

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