CVE-2026-18175 IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DRDA [, ]

High 8.1 Published Updated

Remote attackers can manipulate database transactions in IBM i due to improper authorization in the DDM target dispatcher.

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

What is CVE-2026-18175?

CVE-2026-18175 is a high-severity missing authorization vulnerability in Ibm I, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to manipulate database transactions due to improper authorization in the DDM target dispatcher.

Weakness: CWE-285

Which versions are affected by CVE-2026-18175?

It affects 1 product.

Products include Ibm I.

How do I fix CVE-2026-18175?

No fix has been published for CVE-2026-18175 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-2026-18175 being exploited?

There is no known exploitation of CVE-2026-18175 in the wild and no public exploit code.

All Ibm I vulnerabilities

Sources

Also known as GHSA-3xfq-jhw7-3qgh.

Is CVE-2026-18175 in your software?

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

Check your SBOMs for free