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Vulnerability IntelligenceCVE-2026-3621

CVE-2026-3621

HIGH7.5

IBM WebSphere Application Server Liberty is affected by identity spoofing

Published Apr 22, 2026

Modified Today

Details

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.

References

https://www.cve.org/CVERecord?id=CVE-2026-3621

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

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Weakness Type (CWE)

Configuration

Improper Privilege Management

Ecosystems

Timeline

PublishedApr 22, 2026

ModifiedApr 22, 2026

CVE-2026-3621 | Mondoo Vulnerability Intelligence