CVE-2026-48188

EUVD-2026-33552
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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
OTRSCNA
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 22%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
otrsotrs
7.0.0 ≤
𝑥
< 7.1.0
CNA
otrsotrs
8.0.0 ≤
𝑥
< 8.1.0
CNA
otrsotrs
2023.0 ≤
𝑥
< 2024.0
CNA
otrsotrs
2024.0 ≤
𝑥
< 2025.0
CNA
otrsotrs
2025.0 ≤
𝑥
< 2026.0
CNA
otrsotrs
2026.0 ≤
CNA
otrsotrs
6.0 ≤
𝑥
< 7.0
CNA