CVE-2026-18713 IBM i is Affected By Multiple Vulnerabilities in Navigator for i

High 8.8 Published Updated

An authenticated user can escalate privileges to root and execute commands via Navigator for i on IBM i systems.

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-2026-18713?

CVE-2026-18713 is a high-severity 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 s vulnerable to privilege escalation via Navigator for i. An authenticated user could elevate privileges to a root user to execute commands.

Weakness: CWE-269

Which versions are affected by CVE-2026-18713?

It affects 1 product.

Products include Ibm I.

How do I fix CVE-2026-18713?

No fix has been published for CVE-2026-18713 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-18713 being exploited?

There is no known exploitation of CVE-2026-18713 in the wild and no public exploit code.

All Ibm I vulnerabilities

Sources

Also known as GHSA-5g56-4cm9-fm48.

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