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.
- Published Sep 4, 2026
- CVSS 9.8 critical
- 0.3% chance of exploitation in the next 30 days (EPSS)
- A fix is available