CVE-2026-27476

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 19, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2026-27476: Critical severity, CVSS 9.8 | Vulnix