CVE-2026-8620
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities when using when using Web Server Plug-ins
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
15th
IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to HTTP request smuggling in the Web Server Plug-ins through a specially crafted request.
| CWE | CWE-444 |
| Vendor | ibm |
| Product | web server plug-ins for websphere application server and websphere liberty |
| Published | May 26, 2026 |
| Last Updated | May 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None
Affected Versions
IBM / Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty
8.5, 9.0 ≤ Interim Fix 002