CVE-2026-48210

Possible information disclosure via External Interface

Published May 31, 2026 CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed
Description
An improper default configuration in OTRS 2026.3.1 causes ticket article forwarding actions to enforce the “Is visible for customer” flag by default and prevent users from disabling it via the UI. This leads to unintended exposure of internal ticket information to the External Frontend

This issue affects OTRS 2026.3.1

Remediation

Vendor Solution

Update to latest version of OTRS (2026.4.1. or later).


Vendor Workaround

Go to Forms###AgentFrontend::TicketArticle::Action::Forward in System Configuration. You will find that by Is visible for customer is a line Disabled: 1. Change it to Disabled to 0 or remove it.  Caution: Still the user has to check the checkbox on forwarding and uncheck it if needed

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:otrs:otrs:2026.3.1:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Otrs
Otrs otrs
Vendors & Products Otrs
Otrs otrs
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An improper default configuration in OTRS 2026.3.1 causes ticket article forwarding actions to enforce the “Is visible for customer” flag by default and prevent users from disabling it via the UI. This leads to unintended exposure of internal ticket information to the External Frontend This issue affects OTRS 2026.3.1
Title Possible information disclosure via External Interface
Weaknesses CWE-200
CWE-269
References
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OTRS
Published
Updated
Jun 1, 2026, 1:24 PM
Reserved
May 21, 2026, 12:12 PM
Status
Analyzed
Published
May 31, 2026, 10:16 PM
Modified
Jul 22, 2026, 7:10 AM