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NVD Vulnerability Details :
CVE-2026-9330
Analyzed
More InfoOfficial Page
Source-psirt@us.ibm.com
View Known Exploited Vulnerability (KEV) details
Published At-01 Jun, 2026 | 19:16
Updated At-04 Jun, 2026 | 16:52

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.18.5HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 8.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CPE Matches
IBM Corporation
ibm
>>websphere_application_server>>Versions from 8.5.0.0(inclusive) to 8.5.5.30(exclusive)
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:traditional:*:*:*
IBM Corporation
ibm
>>websphere_application_server>>Versions from 9.0.0.0(inclusive) to 9.0.5.29(exclusive)
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:traditional:*:*:*
Weaknesses
CWE IDTypeSource
CWE-502Primarypsirt@us.ibm.com
CWE ID: CWE-502
Type: Primary
Source: psirt@us.ibm.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.ibm.com/support/pages/node/7274733psirt@us.ibm.com
Vendor Advisory
Hyperlink: https://www.ibm.com/support/pages/node/7274733
Source: psirt@us.ibm.com
Resource:
Vendor Advisory
Change History
0Changes found
Details not found