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
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
Project Subscriptions
No data.
Advisories
No advisories yet.
Fixes
Solution
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
References
History
Mon, 01 Jun 2026 04:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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 | |
| Title | SQL Injection via MySQL Quote Method | |
| Weaknesses | CWE-20 | |
| References |
| |
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: OTRS
Published:
Updated: 2026-06-01T03:33:15.822Z
Reserved: 2026-05-21T07:53:13.254Z
Link: CVE-2026-48188
No data.
Status : Received
Published: 2026-06-01T04:16:22.583
Modified: 2026-06-01T04:16:22.583
Link: CVE-2026-48188
No data.
OpenCVE Enrichment
No data.
Weaknesses