IBM Support

PH70798: IBM WebSphere Application Server Liberty is affected by a security bypass vulnerability (CVE-2026-5516)

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Abstract

IBM WebSphere Application Server Liberty is affected by a security bypass vulnerability (CVE-2026-5516)

Download Description

The fix for this APAR is targeted for inclusion in 26.0.0.6.

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

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

26.0.0.5-WS-WLP-IFPH7079819 May 2026 FC
26.0.0.3-WS-WLP-IFPH7079819 May 2026 FC
25.0.0.12-WS-WLP-IFPH7079819 May 2026 FC
25.0.0.9-WS-WLP-IFPH7079819 May 2026 FC

Archive packages (no IM)

DOWNLOADRELEASE DATE 

URL

26005-wlp-archive-IFPH7079819 May 2026 FC
26003-wlp-archive-IFPH7079819 May 2026 FC
250012-wlp-archive-IFPH7079819 May 2026 FC
25009-wlp-archive-IFPH7079819 May 2026 FC
Note: FC stands for Fix Central. Review the What is Fix Central (FC)? FAQs for more details.

Problems Solved

PH70798, PH68817, PH70352

On

Technical Support

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

Document Location

Worldwide

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Document Information

Modified date:
19 May 2026

UID

ibm17273239