9.1

CVE-2026-48188

SQL Injection via MySQL Quote Method

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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
OtrsOtrs SwEditioncommunity Version <= 6.0.32
OtrsOtrs Version >= 7.0.0 <= 8.0.37
OtrsOtrs Version >= 2023.0.0 < 2026.4.1
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.36% 0.279
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security@otrs.com 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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