Vulnerability · Published Aug 12, 2026 · Assigned by ibm
CVE-2026-13361IBM Informix Server Vulnerability in SQL Interface Handler Could Allow Remote Code Execution
High 8.8
In plain English
A high-severity stack buffer overflow in Informix Dynamic Server from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 57.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | Informix Dynamic Server | 14.1012.10.x15.0 |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.ibm.com/support/pages/node/7283143 vendor-advisory, patch