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9.8

IBM i Host Servers May Allow Unauthorized Access

CVE-2026-17197 · published 21 days ago
Summary

IBM i versions 7.6, 7.5, 7.4, and 7.3 may be vulnerable to unauthorized access by a remote attacker. This means an attacker could potentially bypass security controls and gain access to sensitive data or systems. IBM recommends upgrading to a supported version or applying the latest patches to mitigate this risk.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm i 7.6
7.3
7.4
7.5
Original advisory text
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of client-asserted identity.
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of client-asserted identity.
References
Severity
9.8 Critical
CVSS 3.1: 8.1 (MITRE)
Exploitation
EPSS <1%
Type
CWE-287Improper Authentication
Timeline
Published13 Aug 2026
Updated30 Aug 2026
First seen13 Aug 2026
Sources
CVE-2026-17197 · NVD
CVE-2026-17197 · MITRE
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