CVE-2026-48210

EUVD-2026-33518
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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.7 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 16%
Affected Products (NVD)
VendorProductVersion
otrsotrs
2026.3.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://otrs.com/release-notes/otrs-security-advisory-2026-09/