IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.10 is affected by an information disclosure vulnerability due to unsafe class reflection in the JMX REST connector body parser.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
IBM WebSphere Application Server - Liberty affected
Version Status Constraints
17.0.0.3 affected ≤ 26.0.0.10

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Project Subscriptions

Vendors Products
Ibm Subscribe
Websphere Application Server Liberty Subscribe
Advisories

No advisories yet.

Fixes

Solution

IBM strongly recommends addressing the vulnerabilities now by applying the fix pack(s) listed below. For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.10: · Apply Liberty Fix Pack 26.0.0.11 https://www.ibm.com/support/pages/node/7294658 (availability November 2026) or later fix pack.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.ibm.com/support/pages/node/7295268 cve-icon
History

Sun, 08 Nov 2026 18:45:00 +0000

Type Values Removed Values Added
Description IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.10 is affected by an information disclosure vulnerability due to unsafe class reflection in the JMX REST connector body parser.
Title IBM WebSphere Application Server Liberty prior to 26.0.0.11 is affected by multiple vulnerabilities
First Time appeared Ibm
Ibm websphere Application Server Liberty
Weaknesses CWE-470
CPEs cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.10:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm websphere Application Server Liberty
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-11-08T18:40:16.874Z

Reserved: 2026-08-24T22:33:58.250Z

Link: CVE-2026-78636

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses