CVE-2026-13367 IBM Informix Dynamic Server Privilege Escalation Vulnerability in oninit Utility

High 7.8 Published Updated

Local attackers can exploit the oninit utility to escalate privileges to root on IBM Informix Dynamic Server installations.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-13367?

CVE-2026-13367 is a high-severity vulnerability in Ibm Informix Dynamic Server, published on 12 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit setuid-root utility.

Weakness: CWE-284

Which versions are affected by CVE-2026-13367?

It affects 1 product.

Products include Ibm Informix Dynamic Server.

How do I fix CVE-2026-13367?

No fix has been published for CVE-2026-13367 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-13367 being exploited?

There is no known exploitation of CVE-2026-13367 in the wild and no public exploit code.

All Ibm Informix Dynamic Server vulnerabilities

Sources

Also known as GHSA-ghg9-3j74-rj7c.

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