IBM Informix Wire Listener Vulnerable to Unauthenticated Remote Code Execution
Summary
| CVE | CVE-2026-13476 |
|---|---|
| State | PUBLISHED |
| Assigner | ibm |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-12 21:17:35 UTC |
| Updated | 2026-08-18 18:38:48 UTC |
| Description | IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary commands with service account privileges on the system due to improper validation of user supplied input. |
Risk And Classification
Primary CVSS: v3.1 7.3 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS: 0.005490000 probability, percentile 0.433910000 (date 2026-08-18)
Problem Types: CWE-78 | CWE-78 CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 7.3 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| 3.1 | CNA | CVSS | 7.3 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
LowCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | - | All | All | All |
| Operating System | Hp | Hp-ux | - | All | All | All |
| Operating System | Ibm | Aix | - | All | All | All |
| Application | Ibm | Informix Dynamic Server | All | All | All | All |
| Application | Ibm | Informix Dynamic Server | 12.10 | All | All | All |
| Application | Ibm | Informix Dynamic Server | 14.10 | All | All | All |
| Operating System | Ibm | Linux On Ibm Z | - | All | All | All |
| Operating System | Linux | Linux Kernel | - | All | All | All |
| Operating System | Novell | Suse Linux | - | All | All | All |
| Operating System | Oracle | Solaris | - | All | All | All |
| Operating System | Redhat | Desktop | - | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | IBM | Informix Dynamic Server | affected 14.10 | Not specified |
| CNA | IBM | Informix Dynamic Server | affected 15.0 | Not specified |
| CNA | IBM | Informix Dynamic Server | affected 12.10 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.ibm.com/support/pages/node/7282827 | [email protected] | www.ibm.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Solutions
CNA: The vulnerability has been resolved in IBM Informix versions 14.10.xC13W13 and 15.0.1.13. The fix can be found on IBM Fix Central under the Informix Server section.
There are currently no legacy QID mappings associated with this CVE.