IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by a denial of service vulnerability when the restConnector-2.0 feature is enabled.

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Advisories

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Fixes

Solution

IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR DT496294. 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 restConnector-1.0 or restConnector-2.0 feature(s):  · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves DT496294 https://www.ibm.com/support/pages/node/7281124 --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.


Workaround

No workaround given by the vendor.

History

Wed, 29 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 28 Jul 2026 20:00:00 +0000

Type Values Removed Values Added
Description IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by a denial of service vulnerability when the restConnector-2.0 feature is enabled.
Title IBM WebSphere Application Server Liberty is affected by a denial of service
First Time appeared Ibm
Ibm websphere Application Server Liberty
Weaknesses CWE-674
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': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-07-29T12:40:27.634Z

Reserved: 2026-07-18T01:57:27.285Z

Link: CVE-2026-16192

cve-icon Vulnrichment

Updated: 2026-07-29T12:40:22.342Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-28T21:45:03Z

Weaknesses