# 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.

- **Severity:** High 8.5 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **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:** Yes
- **Published:** 20 Jul 2026
- **Updated:** 24 Jul 2026
- **Also known as:** CLSA-2026-1785244080, DEBIAN-CVE-2026-64624, GHSA-4vxc-ggfg-5366, GHSA-rq8f-9xjh-pr3m, UBUNTU-CVE-2026-64624

## 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 (Improper Neutralization of Argument Delimiters in a Command)

## Which versions are affected by CVE-2026-64624?

It affects 1 product.


Products: Freerdp Freerdp.

## How do I fix CVE-2026-64624?

Upgrade to a fixed version.

## 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](https://insights.sbomify.com/CVE-2021-37594/): Other in n/a (critical 9.8)
- [CVE-2021-37595](https://insights.sbomify.com/CVE-2021-37595/): Other in n/a (critical 9.8)
- [CVE-2026-67305](https://insights.sbomify.com/CVE-2026-67305/): FreeRDP Windows Client before 3.29.0 Heap Buffer Overflow via Cliprdr (critical 9.4)
- [CVE-2026-66402](https://insights.sbomify.com/CVE-2026-66402/): FreeRDP before 3.29.0 TLS Certificate Identity Validation Bypass (critical 9.3)
- [CVE-2026-67289](https://insights.sbomify.com/CVE-2026-67289/): FreeRDP before 3.29.0 HTTP Proxy Request Injection via Redirection (critical 9.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-64624 and fix it if it is affected.

What it is: 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.
Exploitation: There is no known exploitation of CVE-2026-64624 in the wild and no public exploit code.

Affected product: Freerdp Freerdp. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-64624/ (Markdown: https://insights.sbomify.com/CVE-2026-64624/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-64624
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-64624
- OSV: https://osv.dev/vulnerability/CVE-2026-64624

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-64624/
Summaries are generated and may contain mistakes; the official description above is the record.