CVE-2026-18221

IBM i versions 7.3 through 7.6 are vulnerable to improper authentication (CWE-287) in Distributed Data Management (DDM) / Distributed Relational Database Architecture (DRDA) . A remote attacker with no privileges or user interaction can gain unauthorized access by supplying crafted authentication...

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...

Security Bulletin: IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DRDA [CVE-2026-18175, CVE-2026-18221]

Summary IBM i is vulnerable to manipulation of database transactions due to improper authorization CVE-2026-18175 and allowing unathorized access due to improper validation CVE-2026-18221 in Distributed Data Management DDM / Distributed Relational Database Architecture DRDA as described in the...