Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 IBM WebSphere Application Server Liberty is vulnerable to an authentication bypass when the rtcomm-1.0 or rtcommGateway-1.0 feature is enabled.
Published: 2026-08-13
Score: 9.4 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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 DT496165. To determine if a feature is enabled for IBM WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature https://www.ibm.com/support/pages/node/6553910 .  For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.8 using the rtcomm-1.0 or rtcommGateway-1.0 feature(s):  · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves DT496165 https://www.ibm.com/support/pages/node/7283460 --OR-- · Apply Liberty Fix Pack 26.0.0.9 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

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History

Mon, 17 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Ibm aix
Ibm i
Ibm websphere Application Server
Ibm z\/os
Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:z\/os:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Ibm aix
Ibm i
Ibm websphere Application Server
Ibm z\/os
Linux
Linux linux Kernel
Microsoft
Microsoft windows

Fri, 14 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 13 Aug 2026 19:45:00 +0000

Type Values Removed Values Added
Description IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 IBM WebSphere Application Server Liberty is vulnerable to an authentication bypass when the rtcomm-1.0 or rtcommGateway-1.0 feature is enabled.
Title IBM WebSphere Application Server Liberty is affected by an authenication bypass
First Time appeared Ibm
Ibm websphere Application Server Liberty
Weaknesses CWE-306
CPEs cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.8:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm websphere Application Server Liberty
References
Metrics cvssV3_1

{'score': 9.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L'}


Subscriptions

Apple Macos
Ibm Aix I Websphere Application Server Websphere Application Server Liberty Z\/os
Linux Linux Kernel
Microsoft Windows
cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-08-15T03:55:35.221Z

Reserved: 2026-07-02T20:05:30.973Z

Link: CVE-2026-14525

cve-icon Vulnrichment

Updated: 2026-08-14T18:28:51.539Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-13T20:17:14.250

Modified: 2026-08-17T18:10:40.950

Link: CVE-2026-14525

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T20:45:02Z

Weaknesses