CVE-2026-13361
IBM Informix Server Vulnerability in SQL Interface Handler Could Allow Remote Code Execution
IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.8
IBM Informix Server Vulnerability in SQL Interface Handler Could Allow Remote Code Execution
IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.
- Record
CVE-2026-13361- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2026-57533
8.8
IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.
- Record
EUVD-2026-57533- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-vp4r-fvw6-3hxp
8.8
IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.
IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.
- Record
GHSA-vp4r-fvw6-3hxp- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
NVD
8.8
IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.
- Record
CVE-2026-13361- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-13361 is a high vulnerability (CVSS 8.8) in Ibm Informix Dynamic Server, published August 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. No source names a fixed version.