CVE-2026-6936: IBM I

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

IBM i 7.6, 7.5, 7.4, and 7.3 s vulnerable to a denial-of-service attack due to uncontrolled recursion in the Integrated Language Environment (ILE) compiler. An authenticated attacker could exploit this vulnerability by compiling specially crafted source code containing a specific combination of statements.

Affected products

• IBM I: from 7.3, up to and including 7.6

Published 2026-05-27. Last modified 2026-06-17.