CVE-2026-27476
Critical
Description
RustFly 2.0.0 contains a command injection vulnerability in its remote UI control mechanism that accepts hex-encoded instructions over UDP port 5005 without proper sanitization. Attackers can send crafted hex-encoded payloads containing system commands to execute arbitrary operations on the target system, including reverse shell establishment and command execution.
SeverityCritical
CVSS9.8
Exploit probability—
ProductRustFly
PublishedFeb 19, 2026
First seenFeb 19, 2026
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Bixat RustFly | 2.0.0 | — |
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