CVE-2026-48189

Bypass DedicatedAgentToCustomerGroups Setting

MEDIUM
5.7
CVSS Score
Published: June 1, 2026 at 03:33 AM UTC
Updated: July 22, 2026 at 07:37 AM UTC
1 product affected across 1 vendorOTRS

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Severity
MEDIUM5.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2023.0.0 ≤ v < 2026.4.12026.x ≤ v ≤ 2026.3.x7.0.0 ≤ v ≤ 8.0.372023.x2024.x2025.x2026.x7.0.x8.0.x
Affected range stops below 2026.4.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.7MEDIUMOTRS
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-200

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