CVE-2026-64624

A flaw in FreeRDP's file parser incorrectly treats lines starting with a forward slash (/) as command-line options. If a victim opens a maliciously crafted .rdp file, an attacker can silently inject CLI flags to execute arbitrary code, expose local filesystems, or bypass certificate validation.

This Important flaw in FreeRDP for RHEL allows an attacker to execute arbitrary code, bypass certificate validation, or expose local filesystems if a user opens a crafted .rdp file. This occurs because the parser improperly treats lines starting with a forward slash (/) as command-line options.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

To mitigate this issue, users should avoid opening RDP files from untrusted or unknown sources. Ensure SELinux remains in enforcing mode. This is the most important existing Red Hat safeguard for this CVE, confining what an exploited FreeRDP process can access.