CVE-2026-48188

Critical · CVSS 9.1

OTRS / ((OTRS)) Community Edition — Improper Input Validation - Unauthenticated SQL Injection leading to Authentication Bypass

CVSS: 9.1; nvd
EPSS: 0.32%; 23th pct
KEV: No
Class: other; CWE-20

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

Search profile — drives PoC discovery

Symbols NO_BACKSLASH_ESCAPESdatabase layer moduleMySQLMariaDBSQL modeauthentication bypassOTRS databasedb layerKernel::System::DBQuoteDatabaseDSN

Keywords CVE-2026-48188OTRS SQL injectionOTRS authentication bypassOTRS NO_BACKSLASH_ESCAPESOTRS Community Edition SQLiOTRS database layer injectionOTRS unauthenticated SQLiOTRS 2026 SQLi PoCOTRS security advisory 2026-02((OTRS)) Community Edition SQL injection

Versions: OTRS 6.0.x (CE), 7.0.x, 8.0.x, 2023.x, 2024.x, 2025.x, 2026.x before 2026.4.x

Candidate PoCs (1) — discovered, not yet vetted or ranked

Habuon/CVE-2026-48188
nomi_sec

★ 0

Recall-favoring discovery (nomi-sec + trickest). Vetting + ranking is the Stage-4 scorer.

References

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

Status: enriched · ingested 2026-06-15T18:00:58.000Z · profiled 2026-06-16T18:20:23.035Z