Critical Security Update for FreeRDP: CVE-2026-55193
Summary
RHSA-2026:66349: Red Hat Security Advisory: freerdp security update. Affects freerdp versions < 2:3.10.3-12.el10_2.11. Fixed in 2:3.10.3-12.el10_2.11. How to fix ↓
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Background
FreeRDP is an open-source implementation of the Remote Desktop Protocol (RDP), allowing users to connect to remote Windows desktops. It is widely used for remote access and management of systems. The package includes various components such as libraries, server, and development files, making it versatile for developers and system administrators. However, it has recently been identified to have a critical security vulnerability that could expose systems to unauthorized access.
Vulnerability Detail
The vulnerability identified as CVE-2026-55193 affects FreeRDP and its associated packages. It originates from insufficient validation of user input, which could allow an attacker to execute arbitrary code on the affected system. The ramifications of this vulnerability are severe, as it could lead to unauthorized access, data breaches, and potential system compromise. The vulnerability has a CVSS score of 8.8, indicating a high level of risk.
How To Fix
Minimum fixed version
2:3.10.3-12.el10_2.11
This is the first release that contains the fix.
sudo dnf update freerdpTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If immediate updating is not feasible, consider restricting access to the FreeRDP service or implementing network-level security measures to limit exposure to potential attackers. Additionally, monitor logs for any unusual activity that may indicate exploitation attempts.
Conclusion
In summary, the FreeRDP package has a critical vulnerability (CVE-2026-55193) that requires immediate attention. Users should update their packages to the patched version to secure their systems against potential exploitation. Regular monitoring and updates are essential for maintaining system security.
See every vulnerability recorded for freerdp →
FAQ
CVE-2026-55193 is a critical security vulnerability in FreeRDP that allows for arbitrary code execution due to insufficient input validation.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Failing to address this vulnerability could lead to unauthorized access, data breaches, and potential system compromise.
It is recommended to regularly check for updates and apply security patches as soon as they are released to mitigate vulnerabilities.
Vulert is a tool that monitors and alerts in real-time for open-source vulnerabilities in your software using just a manifest file like package-lock.json.
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