CVE-2026-48188

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

PUBLISHED Reserved 2026-05-21 | Published 2026-06-01 | Updated 2026-06-01 | Assigner OTRS

Problem types

CWE-20 Improper Input Validation

Product status

Credits

Special thanks to Daniel Triznafor reporting this vulnerability reporter

References

otrs.com/release-notes/otrs-security-advisory-2026-02/

cve.org (CVE-2026-48188)

nvd.nist.gov (CVE-2026-48188)

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