CVE-2026-5516

MEDIUM

IBM WebSphere Application Server Liberty is affected by a security bypass vulnerability

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
https://www.ibm.com/support/pages/node/7273425

Scores

CVSS v3 4.4
EPSS 0.0020
EPSS Percentile 9.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-362
Status published
Products (2)
IBM/WebSphere Application Server - Liberty 22.0.0.11 - 26.0.0.5
ibm/websphere_application_server 22.0.0.11 - 26.0.0.5
Published May 27, 2026
Tracked Since May 27, 2026