CVE-2026-18847: IBM i is Affected By Multiple Vulnerabilities in Navigator for i
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote unauthenticated attacker to harvest credentials due to spoofing of Navigator for i.
Other sources
IBM i could allow a remote unauthenticated attacker to harvest credentials due to spoofing of Navigator for i.
— IBM
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
IBM i (Navigator for i)to a version that resolves this vulnerability.Fixed in 7.6Patch SJ10887 - Upgrade
Upgrade
IBM i (Navigator for i)to a version that resolves this vulnerability.Fixed in 7.5Patch SJ10888 - Upgrade
Upgrade
IBM i (Navigator for i)to a version that resolves this vulnerability.Fixed in 7.4Patch SJ10890 - Upgrade
Upgrade
IBM i (Navigator for i)to a version that resolves this vulnerability.Fixed in 7.3Patch SJ10891
Event History
Frequently Asked Questions
What is the severity of CVE-2026-18847?
The severity of CVE-2026-18847 is high, with a CVSS score of 8.8.
How do I fix CVE-2026-18847?
To fix CVE-2026-18847, ensure you apply the latest security updates from IBM for affected versions of IBM i.
What vulnerabilities are associated with CVE-2026-18847?
CVE-2026-18847 is associated with multiple vulnerabilities allowing credential harvesting via spoofing in Navigator for i.
Who is affected by CVE-2026-18847?
IBM i versions 7.3, 7.4, 7.5, and 7.6 are affected by CVE-2026-18847.
Can CVE-2026-18847 be exploited remotely?
Yes, CVE-2026-18847 can be exploited by remote unauthenticated attackers.