CVE-2026-18858: IBM I

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

IBM i 7.6, and 7.5 could allow a local authenticated attacker to obtain information from a privileged file when using SSH.

Affected products

• IBM I: version 7.5 only; version 7.6 only

Published 2026-09-04. Last modified 2026-09-08.