CVE-2026-48188

SQL Injection via MySQL Quote Method

Published Jun 1, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
An improper Input Validation vulnerability in OTRS or ((OTRS)) Community Edition database layer module allows an unauthenticated SQL injection which can lead to an authentication bypass. This issue only affects the system if the MySQL/MariaDB server is configured with the NO_BACKSLASH_ESCAPES SQL mode.

This issue affects OTRS:

* 7.0.X
* 8.0.X
* 2023.X
* 2024.X
* 2025.X
* 2026.X before 2026.4.X
* (OTRS)) Community Edition: 6.0.x

Products based on the ((OTRS)) Community Edition also very likely to be affected

Remediation

Vendor Solution

Update to OTRS 2026.4.1. or later. Please note that there will be no OTRS 7 patches


Vendor Workaround

Reconfigure MySQL/MariaDB servernot to use NO_BACKSLASH_ESCAPES SQL

Tracking

Sign in to view the affected projects.

Advisories

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

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An improper Input Validation vulnerability in OTRS or ((OTRS)) Community Edition database layer module allows an unauthenticated SQL injection which can lead to an authentication bypass. This issue only affects the system if the MySQL/MariaDB server is configured with the NO_BACKSLASH_ESCAPES SQL mode. This issue affects OTRS: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X * (OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected
Title SQL Injection via MySQL Quote Method
Weaknesses CWE-20
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OTRS
Published
Updated
Jun 1, 2026, 1:17 PM
Reserved
May 21, 2026, 7:53 AM
Status
Analyzed
Published
Jun 1, 2026, 4:16 AM
Modified
Jul 22, 2026, 7:10 AM