CVE-2026-48210 MEDIUM

CVE-2026-48210: Possible information disclosure via External Interface

Vendor Otrs Ag
Product OTRS
Weakness CWE-200 · Info exposure
Published May 31, 2026
Last update June 1, 2026

CVSS base score

5.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

May 31, 2026 CVE published
June 1, 2026 Record updated