CVE-2026-64624 FreeRDP RDP File Parser Remote Code Execution via CLI Options
Attackers can execute arbitrary commands and bypass security checks by crafting malicious RDP files that inject CLI options into FreeRDP.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-64624?
CVE-2026-64624 is a high-severity command injection vulnerability in Freerdp Freerdp, published on 20 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
FreeRDP before 3.28.0 treats lines beginning with forward slash in RDP files as raw command-line options, exposing the entire CLI parser surface to untrusted files. Attackers can craft malicious RDP files with /rdp2tcp, /cert:ignore, or /drive options to execute arbitrary commands, bypass certificate validation, or expose local filesystems without user interaction.
Weakness: CWE-88
Which versions are affected by CVE-2026-64624?
It affects 1 product.
Products include Freerdp Freerdp.
How do I fix CVE-2026-64624?
Upgrade to a fixed version.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-64624 being exploited?
There is no known exploitation of CVE-2026-64624 in the wild and no public exploit code.
Other vulnerabilities in Freerdp Freerdp
- CVE-2021-37594 Other in n/a
- CVE-2021-37595 Other in n/a
- CVE-2026-67305 FreeRDP Windows Client before 3.29.0 Heap Buffer Overflow via Cliprdr
- CVE-2026-66402 FreeRDP before 3.29.0 TLS Certificate Identity Validation Bypass
- CVE-2026-67289 FreeRDP before 3.29.0 HTTP Proxy Request Injection via Redirection
Sources
Also known as CLSA-2026-1785244080, DEBIAN-CVE-2026-64624, GHSA-4vxc-ggfg-5366, GHSA-rq8f-9xjh-pr3m, UBUNTU-CVE-2026-64624.