CVE-2026-9006: IBM WebSphere Application Server

Critical severity, CVSS 9.1. EPSS: 0.4% chance of exploitation in the next 30 days.

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to server-side request forgery (SSRF) with the Ajax Proxy configured. This may allow an attacker to send unauthorized requests from the system, resulting in a security bypass or information disclosure.

Affected products

• IBM WebSphere Application Server: from 8.5.0.0, before 8.5.5.30 (fixed in 8.5.5.30); from 9.0.0.0, before 9.0.5.29 (fixed in 9.0.5.29)

Published 2026-06-22. Last modified 2026-06-24.