CVE-2026-18221 — IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DRDA [, ]
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.
Published: 2026-09-04 · CVSS: 8.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7