CVE-2026-11917 in FactoryTalk ThinManager
Summary
by MITRE • 07/14/2026
A path traversal security issue exists within Rockwell Automation ThinManager® software due to improper limitation of file save operations within the API. An authenticated attacker could exploit this vulnerability to write arbitrary files to restricted system directories outside of the application's intended directory.
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Analysis
by VulDB Data Team • 07/14/2026
The vulnerability identified in Rockwell Automation ThinManager software represents a critical path traversal flaw that undermines the application's security boundaries and file access controls. This weakness exists within the application programming interface where file save operations lack proper validation mechanisms to restrict write operations to designated directories. The vulnerability stems from insufficient input sanitization and inadequate path resolution checks that allow malicious actors to manipulate file paths and bypass intended security restrictions.
The technical implementation of this flaw enables an authenticated attacker to exploit the API's file handling capabilities by crafting malicious file paths that traverse beyond the application's intended directory structure. This type of vulnerability falls under the common weakness enumeration category of CWE-22 Path Traversal which specifically addresses insufficient input validation allowing attackers to access files and directories outside the intended scope. The attack vector requires authentication, meaning that an attacker must first establish valid credentials within the system, but once authenticated, they can leverage this flaw to write arbitrary files to restricted system locations.
Operationally, the impact of this vulnerability extends beyond simple unauthorized file access as it provides a potential pathway for persistent malware deployment and system compromise. Attackers could write malicious executables, configuration files, or backdoor components to critical system directories, potentially enabling privilege escalation or persistent access to the affected system. The vulnerability's exploitation could lead to complete system compromise, data exfiltration, or disruption of industrial control processes that ThinManager typically supports in manufacturing and automation environments. This type of attack aligns with tactics described in the attack technique ATT&CK T1074 Data Staged which involves moving files to staging locations for later use.
The mitigation strategy should focus on implementing strict input validation and path normalization within the API's file handling functions. Organizations should enforce mandatory directory restrictions that prevent any write operations outside of explicitly defined application directories, utilize absolute path resolution mechanisms, and implement proper access control lists for file system operations. Additionally, regular security audits of API endpoints, implementation of least privilege principles for authenticated users, and deployment of web application firewalls can provide defense-in-depth measures against exploitation attempts. The vulnerability underscores the importance of secure coding practices in industrial control systems where the stakes are particularly high due to potential safety and operational impacts.