PT-2026-45544 · Ibm · Ibm Websphere Application Server

Published 2026-06-01 · Updated 2026-06-01 · CVE-2026-9319

NVD

CVSS v3.1

9.0

Critical

Base vector

AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-9319

Affected Products

Ibm Websphere Application Server

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-9319 · Security Note
• https://ibm.com/support/pages/node/7274738 · Patch, Vendor Advisory