---
id: CVE-2026-13476
title: >-
  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.
summary: >-
  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.
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-78
published: '2026-08-12'
updated: '2026-08-14'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-13476'
references:
  - url: 'https://www.ibm.com/support/pages/node/7282827'
    label: psirt@us.ibm.com
tags:
  - nvd
epss: 0.00426
epssPercentile: 0.34138
ingestedAt: '2026-08-15T22:29:51.755Z'
---

## Overview

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

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.