---
id: CVE-2026-15955
title: >-
  IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow a remote
  attacker to perform an arbitrary file write due to improper validation of file
  paths.
summary: >-
  IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow a remote
  attacker to perform an arbitrary file write due to improper validation of file
  paths.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-22
vendor: IBM
product: Db2
affected:
  - Db2 >= 11.5.0 <= 11.5.9
  - Db2 >= 12.1.0 <= 12.1.5
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T19:24:58.293'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-15955'
references:
  - url: 'https://www.ibm.com/support/pages/node/7286998'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.00396
epssPercentile: 0.30952
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-15T17:51:47.606346Z'
ingestedAt: '2026-09-14T20:14:21.149Z'
---

## Overview

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow a remote attacker to perform an arbitrary file write due to improper validation of file paths.

## Remediation

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