CVE-2026-3621 Details
Description
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.
A vulnerability allowing identity spoofing has been identified in IBM WebSphere Application Server Liberty versions 17.0.0.3 prior to 26.0.0.4. This issue arises when applications are deployed without authentication and authorization, and the appSecurity feature is not enabled on the server.
Users are advised to upgrade to IBM WebSphere Application Server Liberty Fix Pack 26.0.0.5 or later, or to apply the available interim fix for versions 17.0.0.3 through 26.0.0.4 that addresses this vulnerability. Additional interim fixes may be available and linked off the interim fix download page.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 23, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.ibm.com/support/pages/node/7270437 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
| CWE-269 | Improper Privilege Management | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| ibm websphere application server | >= 17.0.0.3, < 26.0.0.5 |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 13, 2026 | Initial Analysis | [email protected] |
| Apr 23, 2026 | New CVE Received | [email protected] |