---
id: CVE-2026-9176
title: >-
  IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to a security
  bypass due to improper authentication controls
summary: >-
  IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to a security
  bypass due to improper authentication controls. A local attacker could exploit
  this vulnerability to escalate privileges and gain unauthorized access to
  protected …
severity: medium
cvss: 6.7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-94
vendor: ibm
product: websphere_application_server
affected:
  - 'websphere_application_server >= 8.5.0.0, < 8.5.5.31'
  - 'websphere_application_server >= 9.0.0.0, < 9.0.5.29'
patched:
  - websphere_application_server 9.0.5.29
published: '2026-09-10'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T17:11:15.963'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-9176'
references:
  - url: 'https://www.ibm.com/support/pages/node/7286610'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.0011
epssPercentile: 0.01455
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-11T00:00:00+00:00'
ingestedAt: '2026-09-14T15:23:07.482Z'
---

## Overview

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to a security bypass due to improper authentication controls. A local attacker could exploit this vulnerability to escalate privileges and gain unauthorized access to protected resources.

## Affected

- `websphere_application_server >= 8.5.0.0, < 8.5.5.31`
- `websphere_application_server >= 9.0.0.0, < 9.0.5.29`

## Remediation

Upgrade past the affected range:

- `websphere_application_server 9.0.5.29`