CVE-2026-19494 in Security Verify Access
Summary
by MITRE • 10/09/2026
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 could allow a remote authenticated attacker to bypass security restrictions due to improper authentication.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 10/09/2026
The vulnerability identified in IBM Security Verify Access versions 10.0 through 10.0.9.2 and IBM Verify Identity Access versions 11.0 through 11.0.3 represents a critical failure in the implementation of access control mechanisms within these identity management solutions. This flaw allows an authenticated attacker to bypass security restrictions, indicating that while the initial authentication process may be successfully completed, the subsequent authorization checks fail to properly enforce policy boundaries. In enterprise environments where IBM Verify Access serves as a central component for single sign-on and federated identity management, such a weakness undermines the fundamental trust model of the system by allowing users or services with valid credentials to access resources they are not authorized to reach.
From a technical perspective, this issue falls under the category of improper authentication or authorization logic errors where the application fails to correctly associate user privileges with specific actions or data objects. The attacker likely exploits inconsistencies in how session tokens, role assignments, or policy decisions are validated during request processing. By manipulating parameters such as HTTP headers, query strings, or internal state variables, an authenticated entity can trick the system into granting elevated permissions or accessing restricted endpoints that should be blocked based on their assigned roles. This type of flaw is often rooted in complex logic paths where edge cases regarding multi-tenant isolation, cross-domain trust relationships, or dynamic policy evaluation are not adequately sanitized or verified before execution.
The operational impact of this vulnerability is severe for organizations relying on these platforms to secure sensitive applications and data repositories. An attacker who successfully exploits this weakness can escalate privileges within the managed environment, potentially gaining access to confidential user profiles, financial records, intellectual property, or administrative controls depending on what resources are protected by IBM Verify Access. Since the attack requires prior authentication, it targets insider threats or compromised accounts rather than unauthenticated external attackers, making detection more challenging as the activity appears legitimate from a session perspective. This can lead to significant data breaches, regulatory non-compliance with standards such as GDPR or HIPAA, and reputational damage due to the loss of trust in the organization's identity infrastructure.
To mitigate this risk, organizations must immediately apply the latest security patches provided by IBM for both IBM Security Verify Access and IBM Verify Identity Access. It is crucial to verify that all instances within a high-availability cluster are updated consistently to prevent version skew attacks where an attacker might route traffic through an unpatched node. Additionally, administrators should review access control policies and implement strict least privilege principles to limit the blast radius if exploitation occurs. Enhancing monitoring capabilities by logging detailed authentication and authorization events can help detect anomalous behavior patterns indicative of this bypass attempt. Regular audits of identity governance processes and integration with SIEM solutions for real-time alerting on suspicious privilege escalation attempts are recommended defensive measures until full remediation is achieved. This vulnerability aligns with CWE-287 Improper Authentication or CWE-862 Missing Authorization, reflecting a fundamental breakdown in enforcing security policies after initial user verification has occurred.