Vulnerability Details CVE-2026-18221
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 24.5%
CVSS Severity
CVSS v3 Score 8.1
Products affected by CVE-2026-18221