CVE-2026-18144 IBM i is Affected By Multiple Vulnerabilities in Navigator for i

Medium 4.3 Published Updated

A remote authenticated attacker can bypass security restrictions in IBM i Navigator for i due to improper authorization checks.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-18144?

CVE-2026-18144 is a medium-severity missing authorization vulnerability in Ibm I, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to improper authorization.

Weakness: CWE-285

Which versions are affected by CVE-2026-18144?

It affects 1 product.

Products include Ibm I.

How do I fix CVE-2026-18144?

No fix has been published for CVE-2026-18144 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-18144 being exploited?

There is no known exploitation of CVE-2026-18144 in the wild and no public exploit code.

All Ibm I vulnerabilities

Sources

Also known as GHSA-7g8j-fpwg-4c55.

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