CVE-2026-3621CWE-269

IBM WebSphere Application Server Liberty is affected by identity spoofing

High · published April 22, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
29.4
In the wild
Unconfirmed
What it is

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.4 IBM WebSphere Application Server Liberty is vulnerable to identity spoofing under limited conditions when an application is deployed without authentication and authorization configured.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00367 · 29.4th percentile
Weakness
CWE-269 · Improper Privilege Management
Published
2026-04-22T23:07Z
EPSS history
Timeline
  • 22 APR 23:07Z
    IBM WebSphere Application Server Liberty is affected by identity spoofing
    cvelistv5