---
id: CVE-2026-11710
title: >-
  IBM WebSphere Application Server 8.5 is affected by an HTTP request smuggling
  vulnerability due to improper handling of Content-Length headers.
summary: >-
  IBM WebSphere Application Server 8.5 is affected by an HTTP request smuggling
  vulnerability due to improper handling of Content-Length headers.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N'
cwe:
  - CWE-444
vendor: IBM
product: WebSphere Application Server
affected:
  - websphere_application_server 8.5
published: '2026-09-18'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T19:32:25.730'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-11710'
references:
  - url: 'https://www.ibm.com/support/pages/node/7286731'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.00228
epssPercentile: 0.12185
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-19T13:36:48.514969Z'
ingestedAt: '2026-09-18T19:49:30.601Z'
---

## Overview

IBM WebSphere Application Server 8.5 is affected by an HTTP request smuggling vulnerability due to improper handling of Content-Length headers.

## Remediation

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