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CRITICAL

CVE-2026-27476

RustFly 2.0.0 Command Injection via UDP Remote Control

CVSS v3

9.8

CRITICAL

EPSS Score

3.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

poc

SSVC status

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.

Technical details

Published
2026-02-19
Last Modified
2026-04-14

Frequently asked questions

What is CVE-2026-27476?

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.

Is CVE-2026-27476 actively exploited?

A proof-of-concept exploit exists for CVE-2026-27476, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-27476?

CVE-2026-27476 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2026-27476 affecting your environment?

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