CVE-2026-9667

Analyzed Analyzed - Analysis Complete

IBM WebSphere SSRF Vulnerability in 9.0 and 8.5

Publication date: 2026-09-10

Last updated on: 2026-09-15

Assigner: IBM Corporation

Description

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to server-side request forgery (SSRF) that could allow a remote, unauthenticated attacker to cause the server to send outbound requests to arbitrary endpoints.

CVSS Scores

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Meta Information

Published

2026-09-10

Last Modified

2026-09-15

Generated

2026-10-01

AI Q&A

2026-09-11

EPSS Evaluated

2026-09-29

NVD

CVE-2026-9667

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	websphere_application_server	From 9.0.0.0 (inc) to 9.0.5.29 (exc)
ibm	websphere_application_server	From 8.5.0.0 (inc) to 8.5.5.31 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-918	The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Attack-Flow Graph

Executive Summary

IBM WebSphere Application Server versions 9.0 and 8.5 have a server-side request forgery (SSRF) vulnerability. This allows a remote attacker without authentication to trick the server into making unauthorized outbound requests to any external endpoints.

Detection Guidance

To detect this SSRF vulnerability in IBM WebSphere Application Server, monitor outbound network traffic from the server for unexpected or unauthorized requests to internal or external endpoints. Check server logs for unusual patterns or connections to untrusted hosts. Use network scanning tools like nmap to identify open ports and services on the server.

Impact Analysis

An attacker could exploit this to access internal systems, exfiltrate data, or perform reconnaissance by forcing the server to interact with restricted resources. This may lead to data breaches or service disruption.

Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by allowing unauthorized data exfiltration through outbound requests. SSRF may enable attackers to access internal systems or sensitive data, violating confidentiality requirements in these regulations.

Mitigation Strategies

Apply the latest IBM WebSphere Application Server security patches or updates as soon as they are available to address the SSRF vulnerability.

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