Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is vulnerable to a privilege escalation when using Liberty collectives.
Published: 2026-08-12
Score: 8.1 High
EPSS: n/a
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 DT497580. 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 collectiveController-1.0 or collectiveMember-1.0 feature(s):  · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves DT497580 https://www.ibm.com/support/pages/node/7283466 --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

Wed, 12 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 12 Aug 2026 16:45:00 +0000

Type Values Removed Values Added
Description IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is vulnerable to a privilege escalation when using Liberty collectives.
Title IBM WebSphere Application Server Liberty is affected by a privilege escalation
First Time appeared Ibm
Ibm websphere Application Server Liberty
Weaknesses CWE-285
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': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}


Subscriptions

Ibm Websphere Application Server Liberty
cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-08-12T16:52:23.332Z

Reserved: 2026-07-31T16:05:24.890Z

Link: CVE-2026-18499

cve-icon Vulnrichment

Updated: 2026-08-12T16:52:02.352Z

cve-icon NVD

Status : Received

Published: 2026-08-12T17:17:25.650

Modified: 2026-08-12T17:17:25.650

Link: CVE-2026-18499

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses