CVE-2026-11595 in WebSphere Application Server
Summary
by MITRE • 06/30/2026
IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to obtain sensitive information from the administrative console's integrated help system.
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Analysis
by VulDB Data Team • 07/01/2026
This vulnerability exists within IBM WebSphere Application Server versions 9.0 and 8.5 where the administrative console's integrated help system fails to properly restrict access to sensitive information. The flaw stems from inadequate authorization controls that allow remote attackers to bypass normal security boundaries and retrieve confidential data through the help subsystem. This represents a classic privilege escalation vulnerability where unauthenticated or low-privilege users can access administrative resources that should be restricted to authorized administrators only.
The technical implementation of this vulnerability involves the help system's failure to validate user permissions before serving content from the administrative console. When users navigate to help topics within the integrated console, the system does not properly verify whether the requesting entity has appropriate clearance levels to access the underlying administrative functions and associated documentation. This misconfiguration creates an information disclosure channel that can expose sensitive configuration details, system properties, and potentially administrative credentials or session information.
The operational impact of this vulnerability is significant as it provides attackers with a potential pathway to gather intelligence about the target environment before launching more sophisticated attacks. An attacker could use this information to map the application server's structure, identify running services, understand security configurations, and potentially discover other vulnerabilities within the system. The exposure of administrative help content may reveal internal system paths, component names, and configuration parameters that could aid in subsequent exploitation attempts.
From a cybersecurity perspective, this vulnerability aligns with CWE-200 (Information Exposure) and CWE-284 (Improper Access Control) classifications, representing a fundamental breakdown in the principle of least privilege. The issue also maps to ATT&CK technique T1087.004 (Account Discovery: Cloud Account) and T1566.001 (Phishing: Spearphishing Attachment) as attackers could leverage the exposed information to craft more convincing social engineering campaigns or automate reconnaissance activities. Organizations should implement immediate mitigations including applying the vendor patches, restricting network access to administrative consoles, implementing proper firewall rules, and conducting thorough security assessments of all help system components.
The vulnerability demonstrates the critical importance of securing all application components, even those that appear non-critical like help systems. Administrative interfaces often contain rich metadata that can significantly aid attackers in their reconnaissance efforts. Proper implementation of access controls across all subsystems including integrated help functions is essential for maintaining overall system security posture. Organizations should conduct regular penetration testing and security audits to identify similar misconfigurations that could provide unauthorized access to sensitive information within complex enterprise application environments.