CVE-2026-13361 IBM Informix Server Vulnerability in SQL Interface Handler Could Allow Remote Code Execution
Remote attackers can execute arbitrary code on IBM Informix Dynamic Server via a stack-based buffer overflow in the SQL Interface Handler.
- 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-2026-13361?
CVE-2026-13361 is a high-severity memory corruption vulnerability in Ibm Informix Dynamic Server, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.
Weakness: CWE-121
Which versions are affected by CVE-2026-13361?
It affects 1 product.
Products include Ibm Informix Dynamic Server.
How do I fix CVE-2026-13361?
No fix has been published for CVE-2026-13361 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-13361 being exploited?
There is no known exploitation of CVE-2026-13361 in the wild and no public exploit code.
Other vulnerabilities in Ibm Informix Dynamic Server
Sources
Also known as GHSA-vp4r-fvw6-3hxp.