CVE-2026-7770: IBM I Access Client Solutions

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

IBM i Access Family 1.1.5.0 through 1.1.9.12 IBM i Access Client Solutions (ACS) is vulnerable to remote code execution when configured to listen for requests from IBM i Navigator.

Affected products

• IBM I Access Client Solutions: from 1.1.5.0, before 1.1.9.13 (fixed in 1.1.9.13)

Published 2026-06-01. Last modified 2026-08-26.