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 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
- Affected products
- Mariadb, Mysql Server, Otrs, Otrs Community Edition
- Otrs
- ≤ 6.0.32, 8.0.37, 2026.4.1
- Fix
- Available
- CVSS 3.1
- 9.1 CRITICAL
- EPSS
- 0.7% (51th percentile)
- Weakness
- CWE-20
- NVD status
- Analyzed
- Published
- 2026-06-01
- Attack patterns
- CAPEC-115
Fix
Update to OTRS 2026.4.1. or later. Please note that there will be no OTRS 7 patches
Workaround
Reconfigure MySQL/MariaDB servernot to use NO_BACKSLASH_ESCAPES SQL
CVE-2026-48188 at NVD
2 known exploits for CVE-2026-48188
Proof-of-concept code and exploit modules indexed by Sploitus