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CRITICAL · 9.1

CVE-2026-48188

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 on...

Vulnerability 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 Score

9.1

CRITICAL

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

Affected Products

VendorProductVersions
OtrsOtrs<= 6.0.32

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2026-48188?

CVE-2026-48188 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 on...

How severe is CVE-2026-48188?

CVE-2026-48188 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-48188?

Check the references section above for vendor advisories and patch information. Affected products include: Otrs Otrs.