CVE-2026-16674 IBM i is Affected By Multiple Vulnerabilities in WebSphere Application Server Liberty

High 8.8 Published Updated

Remote authenticated attackers can execute arbitrary code on IBM i systems via an untrusted search path vulnerability in WebSphere Application Server Liberty.

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-2026-16674?

CVE-2026-16674 is a high-severity path traversal vulnerability in Ibm I, published on 13 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 code due to an untrusted search path.

Weakness: CWE-426

Which versions are affected by CVE-2026-16674?

It affects 1 product.

Products include Ibm I.

How do I fix CVE-2026-16674?

No fix has been published for CVE-2026-16674 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-16674 being exploited?

There is no known exploitation of CVE-2026-16674 in the wild and no public exploit code.

All Ibm I vulnerabilities

Sources

Also known as GHSA-737c-hw7m-jj22.

Is CVE-2026-16674 in your software?

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

Check your SBOMs for free