CVE-2026-85307 in KP Agent Ready Plugin
Summary
by MITRE • 09/03/2026
Insertion of Sensitive Information Into Sent Data vulnerability in Kevin Pirnie KP Agent Ready allows Retrieve Embedded Sensitive Data.
This issue affects KP Agent Ready: from n/a before 1.2.08.
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Analysis
by VulDB Data Team • 09/03/2026
The identified security flaw represents a critical failure in data handling practices within the KP Agent Ready software, specifically affecting versions prior to release 1.2.08. This vulnerability is categorized under CWE-209, which describes the generation of error messages containing sensitive information that could be exploited by attackers. In this context, the application exhibits an improper mechanism for transmitting or logging data during its operational lifecycle, resulting in the inclusion of confidential credentials, session tokens, personal identifiable information, or other proprietary secrets within outbound network packets or system logs. The core technical deficiency lies in the lack of rigorous input sanitization and output encoding protocols when preparing data for transmission to external services or internal components. Instead of masking sensitive fields or utilizing secure token-based authentication mechanisms that do not expose raw values in transit, the application serializes these elements directly into the sent data stream. This behavior creates a direct pathway for information disclosure, allowing any entity with access to the network traffic or log files associated with the KP Agent Ready service to extract valuable intelligence about the target environment.
From an operational perspective, this vulnerability significantly expands the attack surface available to malicious actors. By capturing the embedded sensitive data through passive network monitoring tools such as packet sniffers or by accessing unsecured log repositories, attackers can achieve credential theft without needing to exploit complex logic flaws in authentication mechanisms. The retrieved information may include API keys, database connection strings, user passwords, or internal IP addresses and hostnames that facilitate further reconnaissance. This aligns with the ATT&CK technique T1005, which involves data from local system extraction, as well as T1048, Exfiltration Over Alternative Protocol, if the sensitive data is sent over non-standard channels to evade detection. The impact extends beyond immediate credential compromise; it can lead to unauthorized access to connected systems, privilege escalation within the network infrastructure, and potential regulatory violations regarding data protection standards such as GDPR or HIPAA, depending on the nature of the exposed information.
To mitigate this vulnerability, developers must implement strict data minimization principles when constructing outbound payloads. Sensitive fields should be excluded from logs and transmission streams entirely, or if necessary for debugging purposes, they must be hashed using a secure one-way algorithm before inclusion. Additionally, implementing robust encryption in transit via TLS 1.2 or higher ensures that even if traffic is intercepted, the embedded sensitive data remains unintelligible to unauthorized observers. Application-level controls should include input validation libraries and output encoding functions specifically designed to handle special characters and prevent leakage of internal state information. For organizations currently running versions earlier than 1.2.08, immediate upgrading to the patched version is the primary remediation step. Until an upgrade can be performed, network segmentation strategies and strict access controls on log storage systems should be enforced to limit exposure. Regular security audits focusing on data flow analysis are recommended to identify similar patterns of sensitive information leakage across other components of the software ecosystem.