CyberICT

CVE-2026-18221

IBM · Published September 4, 2026

CVSS v3.1

CRITICAL
Patch availableGet patch

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to gain unauthorized access due to improper validation of client-supplied authentication parameters.

Affected Products

  • I

CVSS Vector

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