# CVE-2026-13361: IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.

Source: https://junglewise.ai/threats/cve-2026-13361-ibm-informix-oninit-sq-sgkprepare-rce-via-unchecked-sql-interface  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-12  
License: CC BY 4.0 with a link back

CVE-2026-13361 · Severity: high · CVSS 8.8 · Published 2026-08-12

IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.

Technologies: [IBM Informix Dynamic Server](https://junglewise.ai/threats/technologies/informix-dynamic-server). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-13361 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-13361 being exploited in the wild.

**How severe is CVE-2026-13361?** High severity, with a CVSS score of 8.8, published 12 August 2026.

**Which products and versions are affected?** IBM Informix Dynamic Server. The advisory does not name versions.

**Is there a fix for CVE-2026-13361?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-13361?** Check whether you run IBM Informix Dynamic Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- IBM Informix Dynamic Server

## Related threats

- [IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary commands…](https://junglewise.ai/threats/cve-2026-13476-ibm-informix-dynamic-server-14-10-15-0-and-12-10-could-allow-an)
- [IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit setuid-root utility.](https://junglewise.ai/threats/cve-2026-13367-ibm-informix-dynamic-server-14-10-and-15-0-contain-a-local)
- [IBM Informix Dynamic Server 14.10 could allow a local user on the system to log into the Informix server as…](https://junglewise.ai/threats/cve-2024-45675-ibm-informix-dynamic-server-14-10-could-allow-a-local-user-on-the)