CVE-2026-64624
FreeRDP RDP File Parser Remote Code Execution via CLI Options
- State
- Published
- Severity
- 8.5 High
- Published
- Jul 20, 2026
- Updated
- Jul 24, 2026
- Reserved
- Jul 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.5 High | 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 | VulnCheck |
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Affected Products
| Product | Versions |
|---|---|
FreeRDPFreeRDP |
|
References
- GitHub Security Advisory (GHSA-rq8f-9xjh-pr3m)vendor-advisory
- VulnCheck Advisory: FreeRDP RDP File Parser Remote Code Execution via CLI Optionsthird-party-advisory
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