CVE-2026-8644
IBM WebSphere Application Server 9.0 and 8.5 can be tricked into believing a user is someone else, allowing attackers to impersonate legitimate users.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
IBM WebSphere Application Server 9.0 and 8.5 users.
Real-world impact
An attacker could impersonate a legitimate user, gaining unauthorized access to sensitive data or performing actions as that user, potentially compromising critical business processes.
Why this severity
The CVSS score of 9.1 reflects the high impact of identity spoofing: no authentication or user interaction is required, and the attacker can fully compromise confidentiality and integrity of the system.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources
Timeline
- Jun 1, 2026 · Jun 1, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 22, 2026 · 13d agoAdvisory updatedThe NVD record was last revised.
How it’s attacked
References & advisories
- ibm.com/support/pages/node/7274740vendor advisory