CVE-2026-3621
IBM WebSphere Application Server Liberty is affected by identity spoofing
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.4 IBM WebSphere Application Server Liberty is vulnerable to identity spoofing under limited conditions when an application is deployed without authentication and authorization configured.
| CWE | CWE-269 |
| Vendor | ibm |
| Product | websphere application server - liberty |
| Published | Apr 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
IBM / WebSphere Application Server - Liberty
17.0.0.3 ≤ 26.0.0.4