CVE-2026-48188

CRITICAL EPSS 28.1%

Published Jun 1, 20264w ago · Modified Jun 17, 20261w ago

9.1 CVSS 3.1

Critical

Published Jun 1, 2026 4w ago

Last Modified Jun 17, 2026 1w ago

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

CVSS Details

Base Score

9.1

Exploitability

3.9

Impact

5.2

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability None

Threat Intelligence

EPSS Exploit Probability

28.1% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-20 Improper Input Validation Validation

Affected Products 3

Vendor	Product	Version	Range
otrs	otrs	*	≤6.0.32
otrs	otrs	*	≥7.0.0 – ≤8.0.37
otrs	otrs	*	≥2023.0.0 – <2026.4.1

References 1

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

Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.