CVE-2026-13476

IBM Informix Wire Listener Vulnerable to Unauthenticated Remote Code Execution

Published Aug 12, 2026 CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

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.

Tracking

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Advisories

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History
Type Values Removed Values Added
First Time appeared Canonical
Canonical ubuntu Linux
Hp
Hp hp-ux
Ibm aix
Ibm linux On Ibm Z
Linux
Linux linux Kernel
Novell
Novell suse Linux
Oracle
Oracle solaris
Redhat
Redhat desktop
CPEs cpe:2.3:a:ibm:informix_dynamic_server:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:-:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:linux_on_ibm_z:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:novell:suse_linux:-:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:*
cpe:2.3:o:redhat:desktop:-:*:*:*:*:*:*:*
Vendors & Products Canonical
Canonical ubuntu Linux
Hp
Hp hp-ux
Ibm aix
Ibm linux On Ibm Z
Linux
Linux linux Kernel
Novell
Novell suse Linux
Oracle
Oracle solaris
Redhat
Redhat desktop
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM Informix Dynamic Server 14.10, 15.0, and 12.10 IBM Informix could allow an unauthenticated user to execute arbitrary commands with service account privileges on the system due to improper validation of user supplied input. 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.
Type Values Removed Values Added
Description IBM Informix Dynamic Server 14.10, 15.0, and 12.10 IBM Informix could allow an unauthenticated user to execute arbitrary commands with service account privileges on the system due to improper validation of user supplied input.
Title IBM Informix Wire Listener Vulnerable to Unauthenticated Remote Code Execution
First Time appeared Ibm
Ibm informix Dynamic Server
Weaknesses CWE-78
CPEs cpe:2.3:a:ibm:informix_dynamic_server:12.10.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:informix_dynamic_server:12.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:informix_dynamic_server:14.10.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:informix_dynamic_server:14.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:informix_dynamic_server:15.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:informix_dynamic_server:15.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm informix Dynamic Server
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}