IBM WebSphere Application Server 9.0, and 8.5 is affected by an improper validation of user-supplied data during deserialization using the SAML Web Single Sign-On component. This could result in remote code execution via a crafted HTTP request when combined with a suitable gadget chain.
History

Mon, 01 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 01 Jun 2026 19:00:00 +0000

Type Values Removed Values Added
Description IBM WebSphere Application Server 9.0, and 8.5 is affected by an improper validation of user-supplied data during deserialization using the SAML Web Single Sign-On component. This could result in remote code execution via a crafted HTTP request when combined with a suitable gadget chain.
Title IBM WebSphere Application Server is affected by remote code execution
First Time appeared Ibm
Ibm websphere Application Server
Weaknesses CWE-502
CPEs cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm websphere Application Server
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-06-01T19:08:14.284Z

Reserved: 2026-05-22T22:15:58.580Z

Link: CVE-2026-9330

cve-icon Vulnrichment

Updated: 2026-06-01T19:07:40.708Z

cve-icon NVD

Status : Received

Published: 2026-06-01T19:16:55.813

Modified: 2026-06-01T19:16:55.813

Link: CVE-2026-9330

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T20:45:25Z