CVE-2026-5516 MEDIUM

CVE-2026-5516: IBM WebSphere Application Server Liberty is affected by a security bypass vulnerability

Vendor Ibm
Product WebSphere Application Server - Liberty
Published May 27, 2026
Last update June 2, 2026

CVSS base score

4.4/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

IBM WebSphere Application Server - Liberty 22.0.0.11 through 26.0.0.5 IBM WebSphere Application Server Liberty could allow a remote attacker to bypass security under limited conditions by exploiting a specific timing window.

Key dates

02Disclosure timeline

May 27, 2026 CVE published
June 2, 2026 Record updated