CVE-2026-11549

MediumCVSS 6.5/10Last modified Oct 22, 2026

Description

IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are affected by a virtual host bypass vulnerability.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-284

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
IBM	WebSphere Application Server	9.0; 8.5
IBM	WebSphere Application Server - Liberty	>= 17.0.0.3, <= 26.0.0.5

References

Timeline

Published: Sep 18, 2026
Last modified: Oct 22, 2026
NVD status: Awaiting Analysis

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