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CVE-2026-14525 CRITICAL CVSS 9.4 Websphere Application Server Liberty Verified Advisory

Authentication bypass in IBM WebSphere Application Server Liberty (CVE-2026-14525)

IBM WebSphere Application Server Liberty contains an authentication bypass vulnerability (CWE-306: Missing Authentication for Critical Function) that is triggered when the rtcomm-1.0 or rtcommGateway-1.0 feature is enabled. A remote, unauthenticated attacker could exploit this to gain unauthorized access, with potential for high impact on confidentiality and integrity. Affected versions: - WebSphere Application Server - Liberty 17.0.0.3 - 26.0.0.8 We recommend updating to: Liberty Fix Pack 26.0.0.9. CVSS 9.4 · our assessment: act_now Reference: https://www.ibm.com/support/pages/node/7283488 Details: https://vuln.today/cve/CVE-2026-14525

Verified by vuln.today against published advisories.

Affected versions

  • – WebSphere Application Server - Liberty 17.0.0.3 - 26.0.0.8

Fixed in: Liberty Fix Pack 26.0.0.9

Full CVE analysis Reference Published Aug 13, 2026

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