CVE-2026-7770
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk36th percentile - higher than 36% of all known CVEs
Summary
IBM i Access Family versions 1.1.5.0 through 1.1.9.12, specifically IBM i Access Client Solutions (ACS), is vulnerable to remote code execution when configured to listen for requests from IBM i Navigator.
Risk Assessment
Risk includes remote code execution, potentially leading to full compromise of the IBM i environment.
Recommendation
Update IBM i Access Client Solutions to a patched version immediately and restrict listening configuration to trusted sources only.
Other vulnerabilities in IBM i Access Client Solutions
See all- CVE-2026-14875High
IBM i Access Client Solutions versions 1.1.2.0 through 1.1.9.13 are vulnerable to arbitrary code execution on Windows when installed for all users due to a publicly writeable directory.
- CVE-2026-16695High
IBM i Access Client Solutions versions 1.1.2.0 through 1.1.9.13 could allow a local attacker to execute arbitrary code due to improper neutralization of special elements used in an OS command.
- CVE-2026-14866High
IBM i Access Client Solutions versions 1.1.2.0 through 1.1.9.13 is vulnerable to injection of rogue certificate authority due to publicly writeable truststore.
- CVE-2026-13433High
IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 (ACS) is vulnerable to downloading unverified product code when configured to update from an IBM i. A bad actor could use this vulnerability to run compromised code on the ACS user's workstation.
- CVE-2026-13105High
IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 is vulnerable to zip slip path traversal exploit when importing a configuration.
- CVE-2026-13094High
IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 is vulnerable to arbitrary code execution on Windows when installed for all users due to publicly writeable configuration file.
Original NVD description (English source)
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.

