---
id: CVE-2025-36099
title: >-
  IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to a denial of
  service, caused by sending a specially-crafted request
summary: >-
  IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to a denial of
  service, caused by sending a specially-crafted request. A privileged user
  could exploit this vulnerability to cause the server to consume memory
  resources.
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
vendor: ibm
product: websphere_application_server
affected:
  - websphere_application_server = 8.5.0.0
  - websphere_application_server = 9.0.0.0
published: '2025-09-29'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T09:10:00.213'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-36099'
references:
  - url: 'https://www.ibm.com/support/pages/node/7246549'
    label: psirt@us.ibm.com
tags:
  - nvd
epss: 0.00321
epssPercentile: 0.23041
ingestedAt: '2026-10-09T09:31:00.985Z'
---

## Overview

IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A privileged user could exploit this vulnerability to cause the server to consume memory resources.

## Affected

- `websphere_application_server = 8.5.0.0`
- `websphere_application_server = 9.0.0.0`

## Remediation

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