CVE-2026-48188

critical · 9.1

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

9.1

CVSS

0.7%

EPSS (exploit prob.)

53rd

EPSS percentile

2026-06-01

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CWE-20

Affected products

Vendor	Product	Affected versions
otrs	otrs	<= 6.0.32
otrs	otrs	>= 7.0.0, <= 8.0.37
otrs	otrs	>= 2023.0.0, < 2026.4.1

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-48188