CVE-2026-8644CWE-290

IBM WebSphere Application Server is affected by an identity spoofing vulnerability

Critical · published June 1, 2026

CVSS v3.1
9.1
EPSS
0%
Percentile
40.1
In the wild
Unconfirmed
What it is

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00475 · 40.1th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2026-06-01T17:46Z
EPSS history
Timeline
  • 01 JUN 17:46Z
    IBM WebSphere Application Server is affected by an identity spoofing vulnerability
    cvelistv5