CVE-2026-12004 in Security Verify Access
Summary
by MITRE • 08/12/2026
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 and IBM Verify Identity Access Container 11.0 through 11.0.3 contains a format string injection vulnerability in the management interface that allows attackers to cause denial of service and information disclosure by crafting a malicious HTTP request.
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Analysis
by VulDB Data Team • 08/12/2026
This vulnerability exists within IBM Security Verify Access and IBM Verify Identity Access products across specific version ranges, representing a critical format string injection flaw in the management interface components. The vulnerability stems from improper input validation and handling of user-supplied data within the application's request processing pipeline, where attacker-controlled format specifiers can be passed directly to formatting functions without adequate sanitization or escaping mechanisms. This type of weakness falls under the CWE-134 category, which specifically addresses format string vulnerabilities where format strings are constructed from user input rather than being hardcoded constants.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious HTTP request containing specially formatted input that gets processed by the vulnerable application's logging or display functions. When the application processes these malformed requests through format string functions such as printf or sprintf, the attacker-controlled format specifiers can cause the application to read arbitrary memory locations or execute unintended operations. This behavior enables attackers to extract sensitive information from the application's memory space, potentially including authentication tokens, session data, database connection details, or other confidential system information.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can also facilitate denial of service conditions that severely compromise system availability and integrity. Attackers can leverage the format string injection to cause the application to crash or behave unpredictably, leading to complete service disruption for legitimate users who rely on the identity access management functionality. The vulnerability affects both the standalone appliance versions and containerized deployments, indicating a fundamental flaw in the core application logic rather than a configuration issue. Organizations using these products face significant risk as attackers can potentially escalate their privileges, bypass authentication mechanisms, or establish persistent access to critical identity infrastructure components.
Mitigation strategies should focus on immediate patching of affected systems with the latest security updates provided by IBM, which typically address the root cause through proper input validation and sanitization of user-supplied data. Network segmentation and access controls should be implemented to limit exposure of management interfaces to trusted networks only, while also deploying web application firewalls that can detect and block malicious format string patterns in HTTP requests. Additionally, organizations should conduct comprehensive vulnerability assessments to identify any other potentially affected components within their identity access management ecosystem, as the same underlying vulnerability patterns may exist in related products or integrated systems. The ATT&CK framework categorizes this type of vulnerability under T1190 - Exploit Public-Facing Application, highlighting the importance of maintaining up-to-date security controls and monitoring for exploitation attempts in production environments.