CVE-2026-3621

IBM WebSphere Application Server Liberty is affected by identity spoofing

CVSS 7.5 HIGHEPSS 0.3%CWE-269

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

22 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

IBM · WebSphere Application Server - Liberty

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References

https://www.ibm.com/support/pages/node/7270437