CVE-2026-16904 IBM i is Affected By improper privilege management in Navigator for i

High 8.1 Published Updated

Remote authenticated attackers can execute arbitrary commands via improper privilege management in Navigator for i, requiring vendor patches.

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-2026-16904?

CVE-2026-16904 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 could allow a remote authenticated attacker to execute arbitrary commands due to improper privilege management during monitor owner reassignment.

Weakness: CWE-269

Which versions are affected by CVE-2026-16904?

It affects 1 product.

Products include Ibm I.

How do I fix CVE-2026-16904?

No fix has been published for CVE-2026-16904 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-16904 being exploited?

There is no known exploitation of CVE-2026-16904 in the wild and no public exploit code.

All Ibm I vulnerabilities

Sources

Also known as GHSA-3m8w-rwh2-w5q7.

Is CVE-2026-16904 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free