CVE-2026-8644

IBM WebSphere Application Server is affected by an identity spoofing vulnerability

Published Jun 1, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH71422. For IBM WebSphere Application Server traditional: For V9.0.0.0 through 9.0.5.28: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71422 https://www.ibm.com/support/pages/node/7274652 --OR-- · Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).  For V8.5.0.0 through 8.5.5.29: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71422 https://www.ibm.com/support/pages/node/7274652 --OR-- · Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).  Additional interim fixes may be available and linked off the interim fix download page.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:traditional:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.
Title IBM WebSphere Application Server is affected by an identity spoofing vulnerability
First Time appeared Ibm
Ibm websphere Application Server
Weaknesses CWE-290
CPEs cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm websphere Application Server
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Jun 1, 2026, 7:32 PM
Reserved
May 14, 2026, 8:28 PM
Status
Analyzed
Published
Jun 1, 2026, 7:16 PM
Modified
Jul 22, 2026, 8:10 AM