CVE-2026-13476

HIGH CVSS 3.1: 7.3 EPSS 0.55%
Updated Aug 18, 2026
IBM
Parameter Value
CVSS 7.3 (HIGH)
Affected Versions 15.0 — 15.0.1.13
Fixed In 15.0.1.13
Type CWE-78 (OS Command Injection)
Vendor IBM
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 11

Configuration From (including) Up to (excluding)
Ibm Informix_Dynamic_Server
cpe:2.3:a:ibm:informix_dynamic_server:*:*:*:*:*:*:*:*
15.0 15.0.1.13
Ibm Informix_Dynamic_Server
cpe:2.3:a:ibm:informix_dynamic_server:12.10:*:*:*:*:*:*:*
Ibm Informix_Dynamic_Server
cpe:2.3:a:ibm:informix_dynamic_server:14.10:*:*:*:*:*:*:*
Canonical Ubuntu_Linux
cpe:2.3:o:canonical:ubuntu_linux:-:*:*:*:*:*:*:*
Hp Hp-Ux
cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:*
Ibm Aix
cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*
Ibm Linux_On_Ibm_Z
cpe:2.3:o:ibm:linux_on_ibm_z:-:*:*:*:*:*:*:*
Linux Linux_Kernel
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Novell Suse_Linux
cpe:2.3:o:novell:suse_linux:-:*:*:*:*:*:*:*
Oracle Solaris
cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:*
Redhat Desktop
cpe:2.3:o:redhat:desktop:-:*:*:*:*:*:*:*