CVE-2026-41477 is a high-severity vulnerability affecting Deskflow, a keyboard and mouse sharing application. The vulnerability exists in versions 1.20.0, 1.26.0.134, and earlier, where the Deskflow daemon runs with SYSTEM privileges and exposes an IPC named pipe with WorldAccessOption enabled. This misconfiguration allows any local unprivileged user to execute arbitrary commands as SYSTEM without authentication. The implications of this vulnerability are severe, as it provides a pathway for unauthorized access to critical system functionalities.
The CVSS score for this vulnerability is 7.8, indicating a high level of severity. This score reflects the potential impact on confidentiality, integrity, and availability, all of which are rated as high. The attack vector is local, with low complexity for exploitation, and requires low privileges, making it accessible to many attackers in a local context.
Risk to organizations includes the possibility of unauthorized command execution, which can lead to further exploitation of the system. Organizations using Deskflow should prioritize patching this vulnerability immediately to mitigate associated risks. As of now, there is no public exploit confirmed, but the nature of the vulnerability indicates a strong potential for exploitation.
Given the circumstances, organizations must act swiftly to address this vulnerability in their environments. Patching should be performed at the earliest to prevent any potential malicious activity stemming from this weakness.
Vulnerability Details
The vulnerability allows local unprivileged users to execute commands with SYSTEM privileges due to the Deskflow daemon configuration. It affects both stable and prerelease versions of Deskflow, specifically versions 1.20.0 and 1.26.0.134, among others. The vulnerability has been classified under CWE-306 (Missing Authentication for Critical Function) and CWE-862 (Missing Authorization).
The publication date for this vulnerability is April 24, 2026, and it is categorized with a CVSS score of 7.8, indicating high severity and significant risk for organizations.
Technical Analysis
The root cause of this vulnerability is the misconfiguration of the Deskflow daemon, which runs with SYSTEM privileges and exposes an IPC named pipe that allows unprivileged access. The attack vector is local, which means an attacker must be on the same system to exploit this vulnerability.
The attack complexity is low, requiring minimal effort to exploit, and attackers may not need any user interaction. The confidentiality, integrity, and availability impacts of this vulnerability are all rated as high, indicating that successful exploitation could lead to full control over the affected systems.
Risk & Impact Analysis
Organizations that utilize Deskflow face a significant risk from this vulnerability. The ability for unprivileged users to execute commands as SYSTEM could lead to devastating consequences, including data breaches, unauthorized access to sensitive information, and system integrity issues.
The blast radius of an attack exploiting this vulnerability could be extensive, especially in environments where the Deskflow application is widely deployed. Given that the CVSS score is high, organizations should prioritize remediation to minimize potential impacts. The urgency for addressing this vulnerability is critical, given its potential for exploitation.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions of Deskflow include 1.20.0 and 1.26.0.134, along with all prior versions. Organizations should ensure they are running the latest patched versions to mitigate this vulnerability.
Mitigation & Remediation
Organizations should prioritize patching Deskflow to remediate this vulnerability. The updates should be applied to all affected versions, specifically upgrading to versions post 1.26.0.134. In the interim, organizations may consider implementing network controls to restrict access to the Deskflow daemon, thereby minimizing the risk of exploitation.
For continuous security validation, organizations can benefit from continuous penetration testing to identify potential vulnerabilities and ensure that all security measures are effective.
Detection Guidance
Organizations should monitor logs for any unauthorized commands being executed through Deskflow. Behavioral anomalies indicating unusual access patterns or attempts to exploit this vulnerability should be flagged for investigation.
AppSecure Threat Intelligence Insight
The significance of CVE-2026-41477 lies in its potential to allow local unprivileged users to compromise system integrity. This incident highlights the need for robust security configurations, especially for applications that operate with elevated privileges. Security teams should adopt lessons learned from this vulnerability to strengthen their defenses.
Implementing a comprehensive vulnerability management program can aid in identifying and mitigating similar risks in the future.
Furthermore, leveraging insights from penetration testing methodologies can enhance an organization’s preparedness against future vulnerabilities.
In summary, organizations utilizing Deskflow should take immediate actions to address CVE-2026-41477 to safeguard their systems against potential threats.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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