VULNERABILITY INTELLIGENCE

CVE-2026-9330

CVSS score8.5 HIGH
EPSS probability0.52%
CISA KEVNot currently listed
Published2026-06-01
Last modified2026-07-22
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

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.

Weakness classification

  • CWE-502: Deserialization of Untrusted Data

Primary references