CVE-2025-36038 CRITICAL

CVE-2025-36038: IBM WebSphere Application Server code execution

Vendor Ibm
Product WebSphere Application Server
Weakness CWE-502 · Unsafe deserialization
Published June 25, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

9.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.

Key dates

02Disclosure timeline

June 25, 2025 CVE published
February 26, 2026 Record updated