CVE-2026-5516

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

Medium · published May 27, 2026

CVSS v3.1
4.4
EPSS
0%
Percentile
22.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00304 · 22.0th percentile
Published
2026-05-27T13:00Z
EPSS history
Timeline
  • 27 MAY 13:00Z
    IBM WebSphere Application Server Liberty is affected by a security bypass vulnerability
    cvelistv5