IBM WebSphere Application Server 9.0, and 8.5 is affected by an authentication bypass vulnerability when using XD or Intelligent-Management features. (CVE-2026-16435)
IBM WebSphere Application Server versions 9.0 and 8.5 contain an authentication bypass vulnerability related to the XD or Intelligent-Management features. This vulnerability allows an attacker to bypass authentication under certain conditions. The CVSS score is 5.9, indicating a medium severity level. No patch or remediation details are provided in the available data. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-16435 describes an authentication bypass vulnerability in IBM WebSphere Application Server versions 9.0 and 8.5 when using the XD or Intelligent-Management features. The vulnerability allows an unauthenticated attacker to bypass authentication controls, potentially gaining unauthorized access. The CVSS 3.1 vector indicates network attack vector, high attack complexity, no privileges required, no user interaction, unchanged scope, high confidentiality impact, no integrity or availability impact.
Potential Impact
Successful exploitation could allow an attacker to bypass authentication mechanisms, leading to unauthorized access to sensitive information or administrative functions within the affected WebSphere Application Server instances. The confidentiality impact is rated high, but integrity and availability are not affected. No active exploitation is currently known.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, administrators should monitor IBM's security advisories for updates. Until a fix is available, consider restricting access to the XD and Intelligent-Management features or disabling them if feasible to reduce exposure.
IBM WebSphere Application Server 9.0, and 8.5 is affected by an authentication bypass vulnerability when using XD or Intelligent-Management features. (CVE-2026-16435)
Description
IBM WebSphere Application Server versions 9.0 and 8.5 contain an authentication bypass vulnerability related to the XD or Intelligent-Management features. This vulnerability allows an attacker to bypass authentication under certain conditions. The CVSS score is 5.9, indicating a medium severity level. No patch or remediation details are provided in the available data. There are no known exploits in the wild at this time.
CVSS v3.1
Score 5.9medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16435 describes an authentication bypass vulnerability in IBM WebSphere Application Server versions 9.0 and 8.5 when using the XD or Intelligent-Management features. The vulnerability allows an unauthenticated attacker to bypass authentication controls, potentially gaining unauthorized access. The CVSS 3.1 vector indicates network attack vector, high attack complexity, no privileges required, no user interaction, unchanged scope, high confidentiality impact, no integrity or availability impact.
Potential Impact
Successful exploitation could allow an attacker to bypass authentication mechanisms, leading to unauthorized access to sensitive information or administrative functions within the affected WebSphere Application Server instances. The confidentiality impact is rated high, but integrity and availability are not affected. No active exploitation is currently known.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, administrators should monitor IBM's security advisories for updates. Until a fix is available, consider restricting access to the XD and Intelligent-Management features or disabling them if feasible to reduce exposure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-55wm-9r68-hmf9
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-16435"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa8a1c855bf5e2cf5f3e8eb
Added to database: 09/15/2026, 01:39:20 UTC
Last enriched: 09/15/2026, 01:59:46 UTC
Last updated: 09/15/2026, 03:01:23 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.