CVE-2026-48188

SQL Injection via MySQL Quote Method

State: Published
Severity: 9.1 Critical
Published: Jun 1, 2026
Updated: Jun 1, 2026
Reserved: May 21, 2026

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

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	OTRS

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
OTRSOTRS AG	7.0.xAffected 8.0.xAffected 2023.xAffected 2024.xAffected 2025.xAffected 2026.x through 2026.3.xAffected
((OTRS)) Community EditionOTRS AG	6.xAffected

References

https://otrs.com/release-notes/otrs-security-advisory-2026-02/

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