CVE-2026-12947 in App Connect Enterprise
Summary
by MITRE • 07/30/2026
IBM App Connect Enterprise 13.0.1.0 through 13.0.7.2, and 12.0.1.0 through 12.0.12.27 stores potentially sensitive information in log files that could be read by a local user.
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Analysis
by VulDB Data Team • 07/30/2026
This vulnerability affects IBM App Connect Enterprise versions ranging from 13.0.1.0 through 13.0.7.2 and 12.0.1.0 through 12.0.12.27, representing a critical information disclosure flaw that enables local privilege escalation through unauthorized log file access. The vulnerability stems from the application's improper handling of sensitive data within its logging mechanisms, where potentially confidential information such as authentication credentials, session tokens, or system configuration details may be inadvertently written to log files accessible by local users. This design flaw creates an attack surface that directly violates security best practices and could enable malicious actors with local system access to extract sensitive data that should remain protected.
The technical implementation of this vulnerability involves the application's logging subsystem failing to properly sanitize or encrypt sensitive information before writing it to persistent storage locations. Log files typically contain comprehensive diagnostic information for troubleshooting purposes, but when these files include unmasked credentials or other confidential data, they become valuable targets for attackers seeking to escalate privileges or gain unauthorized access to system resources. The impact extends beyond simple credential theft as these log files may contain system-specific identifiers, network configurations, and operational details that could facilitate further attacks or compromise the overall security posture of the affected environment.
From an operational perspective, this vulnerability significantly increases the risk profile for organizations deploying IBM App Connect Enterprise, particularly in environments where local user access controls are not strictly enforced or where multiple users share system resources. The potential for privilege escalation through log file reading represents a serious concern as it allows attackers to bypass traditional authentication mechanisms by leveraging information that should be protected within the application's secure boundaries. This vulnerability aligns with CWE-200, which specifically addresses improper exposure of sensitive information, and could potentially support techniques described in the ATT&CK framework under credential access and privilege escalation tactics.
Organizations should implement immediate mitigations including restricting file system permissions on log directories to prevent unauthorized local access, enabling log file encryption where possible, and implementing regular log file auditing procedures to detect potential exposures. The recommended approach involves configuring appropriate access controls using standard security frameworks such as those outlined in the NIST Cybersecurity Framework, ensuring that only authorized personnel with legitimate operational requirements can access these sensitive log files. Additionally, organizations should consider implementing log file rotation policies combined with secure deletion mechanisms to prevent accumulation of sensitive data over time and reduce the window of potential exposure.