What’s Vulnerable › Vulnerabilities
CVE-2026-18221: IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DRDA [, ]
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-04 · updated 2026-09-08
- Weakness: CWE-287
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
- IBM i: 7.3, 7.4, 7.5, 7.6
References
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