---
id: CVE-2026-86087
title: >-
  IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an
  authenticated user to send a specially crafted request to write arbitrary
  files on the system.
summary: >-
  IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an
  authenticated user to send a specially crafted request to write arbitrary
  files on the system.
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-22
vendor: ibm
product: db2
affected:
  - 'db2 >= 11.5, <= 11.5.9'
  - 'db2 >= 12.1.0, <= 12.1.5'
published: '2026-09-10'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T20:10:40.580'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86087'
references:
  - url: 'https://www.ibm.com/support/pages/node/7286985'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.00338
epssPercentile: 0.24436
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-11T17:42:15.210552Z'
ingestedAt: '2026-09-14T00:35:28.535Z'
---

## Overview

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an authenticated user to send a specially crafted request to write arbitrary files on the system.

## Affected

- `db2 >= 11.5, <= 11.5.9`
- `db2 >= 12.1.0, <= 12.1.5`

## Remediation

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