CVE-2026-3621— IBM WebSphere Application Server Liberty is affected by identity spoofing
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I. Basic Information for CVE-2026-3621
Vulnerability Information
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Vulnerability Title
IBM WebSphere Application Server Liberty is affected by identity spoofing
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
IBM WebSphere Application Server Liberty 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM WebSphere Application Server Liberty是美国国际商业机器（IBM）公司的一款构建于Open Liberty项目之上的Java应用程序服务器。 IBM WebSphere Application Server Liberty 17.0.0.3版本至26.0.0.4版本存在安全漏洞，该漏洞源于未配置身份验证和授权时部署应用程序，可能导致身份欺骗。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| IBM | WebSphere Application Server - Liberty | 17.0.0.3 ~ 26.0.0.4 | cpe:2.3:a:ibm:websphere_application_server___liberty:17.0.0.3:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-3621
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|---|
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Same Patch Batch · IBM · 2026-04-22 · 11 CVEs total
| CVE-2026-5935 | 7.3 HIGH | TSSC/IMC is vulnerable to OS Command Injection |
| CVE-2026-5926 | 6.5 MEDIUM | Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve |
| CVE-2026-1352 | 6.5 MEDIUM | IBM® Db2® is vulnerable to a trap or return SQLCODE -901 when compiling a specially crafte |
| CVE-2025-36074 | 5.5 MEDIUM | Security vulnerability has been detected in IBM Security Verify Directory |
| CVE-2026-4918 | 5.5 MEDIUM | IBM Guardium Data Protection is affected by multiple vulnerabilities |
| CVE-2026-1274 | 4.9 MEDIUM | IBM Guardium Data Protection is affected by multiple vulnerabilities |
| CVE-2026-4917 | 4.9 MEDIUM | IBM Guardium Data Protection is affected by multiple vulnerabilities |
| CVE-2026-4919 | 4.8 MEDIUM | IBM Guardium Data Protection is affected by multiple vulnerabilities |
| CVE-2026-1272 | 2.7 LOW | IBM Guardium Data Protection is affected by multiple vulnerabilities |
| CVE-2026-1726 | Multiple Vulnerabilities in IBM Guardium Key Lifecycle Manager |
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V. Comments for CVE-2026-3621
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