CVE-2026-59106 in Cynap Pure
Summary
by MITRE • 10/26/2026
A security vulnerability has been identified in the WolfProt interface implementation. Insufficient neutralization of user-controlled input could allow an unauthenticated attacker with network access to a vulnerable service to execute operating-system commands with the privileges of the affected application service.
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Analysis
by VulDB Data Team • 10/26/2026
The identified vulnerability resides within the WolfProt interface implementation, representing a critical failure in input validation and sanitization mechanisms. This flaw is categorized under CWE-78 Improper Neutralization of Special Elements used in an OS Command, commonly known as operating system command injection. The core technical issue stems from the application's acceptance of user-controlled data without adequate verification or escaping before passing it to underlying shell commands or system utilities. In a typical execution flow, when the WolfProt service processes incoming requests, it constructs dynamic strings that include variables derived directly from network inputs. If these inputs contain maliciously crafted payloads containing command separators such as semicolons, pipes, or ampersands, they can break out of the intended context and inject arbitrary commands into the operating system shell environment. This lack of strict input filtering allows an attacker to manipulate the logic of the application service by injecting sequences that alter the execution path beyond its original design parameters.
The operational impact of this vulnerability is severe due to the privilege level at which the affected application service operates. Because the WolfProt interface executes commands with the privileges of the service account, successful exploitation grants an unauthenticated attacker full control over the underlying operating system processes running under that specific user context. This effectively results in remote code execution (RCE) without any need for prior authentication or network-based access controls to be bypassed beyond basic connectivity requirements. An adversary can leverage this capability to install backdoors, exfiltrate sensitive data stored on the host, pivot into other segments of the internal network by scanning from within, or disrupt service availability through destructive commands. The absence of an authentication requirement significantly lowers the barrier for entry, allowing any entity with network reachability to exploit the flaw, thereby transforming a simple configuration oversight into a critical security breach affecting system integrity and confidentiality.
From a threat modeling perspective aligned with industry standards such as MITRE ATT&CK, this vulnerability facilitates initial access and subsequent command execution techniques often associated with lateral movement strategies. Attackers may utilize tools like PowerShell or standard shell utilities to execute the injected commands, mapping directly to tactics involving remote service exploitation and system script injection. The persistence of this risk is heightened if the WolfProt interface remains exposed to untrusted networks without additional layers of defense such as web application firewalls that can detect command injection patterns or strict network segmentation policies limiting access to only authorized management subnets.
Mitigation strategies must focus on eliminating the root cause by enforcing rigorous input validation and output encoding practices within the WolfProt implementation. Developers should adopt a whitelist approach for acceptable inputs, ensuring that any data processed is strictly validated against expected formats, types, and ranges before being used in system calls. Where dynamic command execution is unavoidable, it is imperative to avoid passing user-supplied strings directly to shell interpreters; instead, applications should utilize API functions that accept arguments as discrete arrays rather than concatenated strings, thereby preventing the interpretation of special characters as control operators. Additionally, implementing principle of least privilege by running the WolfProt service under a restricted account with minimal permissions can limit the blast radius in case exploitation occurs. Network-level controls such as restricting access to the interface via IP whitelisting and deploying intrusion detection systems capable of identifying command injection signatures provide essential defense-in-depth measures while permanent code remediation is developed and deployed.