# CVE-2026-3621

> Vulnerability · severity: **HIGH** (CVSS 7.5).

## 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.

## Key facts

- **CVE ID:** CVE-2026-3621
- **Published:** 2026-04-23
- **CVSS severity:** HIGH
- **CVSS base score:** 7.5
- **CWE codes:** CWE-269, NVD-CWE-noinfo

## Affected products

- `ibm:websphere_application_server`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3621

## Citation

> AI Analytics. CVE-2026-3621. Retrieved 2026-08-01 from https://api.ai-analytics.org/cve/CVE-2026-3621. Derived from NIST NVD. Licensed CC0.

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