IBM Support

PH71714,PH71923:IBM WebSphere Application Server is affected by a remote code execution vulnerability (CVE-2026-11536)

Download


Downloadable File

File linkFile sizeFile description
   
   
   
   
   

Abstract

IBM WebSphere Application Server is affected by a remote code execution vulnerability (CVE-2026-11536)

Download Description

The fix for this APAR is targeted for inclusion in 8.5.5.30 and 9.0.5.29.

For more information, see: Recommended Updates for WebSphere Application Server

 

IFPH71923 supersedes (contains) PH71714.

Download Package

IMPORTANT NOTE:
WebSphere Application Server and Liberty fix access requires S&S Entitlement beginning in 2021. Use properly registered IDs to download the fixes in this table.  

Signature file is provided along with interim fix. See Verifying WebSphere Application Server release packages and Verifying Liberty release packages. 
 

IBM Installation Manager packages

DOWNLOADRELEASE DATE

URL

9.0.5.27-WS-WAS-IFPH71923 (applies to 9.0.5.27-9.0.5.28)26 June 2026FC
8.5.5.28-WS-WAS-IFPH71923 (applies to 8.5.5.28-8.5.5.29)26 June 2026FC
Note: FC stands for Fix Central. Review the What is Fix Central (FC)? FAQs for more details.

Problems Solved

PH71714

Change History

  • Jun 26 2026:  IFPH71714 is superseded with IFPH71923 to resolve functional side effects from IFPH71714

    • wsadmin related failures and warnings with "ObjectInputFi W" or "WasSecureObje W"

       

On

Technical Support

Contact IBM Support at https://www.ibm.com/mysupport/ or 1-800-IBM-SERV (US only).

Document Location

Worldwide

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Component":"General","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF033","label":"Windows"},{"code":"PF035","label":"z\/OS"}],"Version":"8.5.5.29;8.5.5.28;9.0.5.28;9.0.5.27","Edition":"Base","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

Document Information

Modified date:
26 June 2026

UID

ibm17277462

Page Feedback