CVE-2026-7770

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

Published Jun 1, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

The issue can be fixed by upgrading to version 1.1.9.13 or later.   See https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09731 7.5SJ09729 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09729 7.4SJ09730 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09730 7.3SJ09732 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09732

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Ibm i Access Client Solutions
CPEs cpe:2.3:a:ibm:i_access_client_solutions:*:*:*:*:*:*:*:*
Vendors & Products Ibm i Access Client Solutions
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title IBM i Access Client Solutions (ACS) is vulnerable to remote code execution when configured to listen for requests from IBM i Navigator
First Time appeared Ibm
Ibm i Access Family
Weaknesses CWE-74
CPEs cpe:2.3:a:ibm:i_access_family:1.1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i_access_family:1.1.9.12:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm i Access Family
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Jun 2, 2026, 12:44 PM
Reserved
May 4, 2026, 2:12 PM
Status
Analyzed
Published
Jun 1, 2026, 7:16 PM
Modified
Aug 26, 2026, 2:37 PM