CVE-2026-9330

8.5 HIGH
Published: June 01, 2026 Modified: June 04, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://www.ibm.com/support/pages/node/7274733
Source: psirt@us.ibm.com
Vendor Advisory

1 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.5 / 10.0
EPSS (Exploit Probability)
0.4%
30th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

ibm