---
id: CVE-2026-87958
title: >-
  IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a
  denial of service where a specific functionality on a Db2 server can be
  disabled by a privileged user under certain conditions.
summary: >-
  IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a
  denial of service where a specific functionality on a Db2 server can be
  disabled by a privileged user under certain conditions.
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H'
cwe:
  - CWE-269
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: '2026-09-14T20:10:14.530'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-87958'
references:
  - url: 'https://www.ibm.com/support/pages/node/7286987'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.00378
epssPercentile: 0.28942
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-11T14:45:58.153344Z'
ingestedAt: '2026-09-11T16:45:47.858Z'
---

## Overview

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a denial of service where a specific functionality on a Db2 server can be disabled by a privileged user under certain conditions.

## 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.