Remote Spoofing Vulnerability in IBM i Solutions
CVE-2026-18847

8.8HIGH

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
12 August 2026

What is CVE-2026-18847?

A vulnerability has been identified in IBM i versions 7.3 through 7.6 that could permit a remote, unauthenticated attacker to exploit a spoofing flaw within the Navigator for i interface. This could lead to unauthorized access and the potential harvesting of user credentials. Organizations using these versions should review the advisory provided by IBM and apply necessary patches to mitigate this security risk.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7283292
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.