CVE-2026-27476 | THREATINT

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.

PUBLISHED Reserved 2026-02-19 | Published 2026-02-19 | Updated 2026-02-20 | Assigner VulnCheck

CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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

Problem types

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Product status

2.0.0

affected

Credits

indoushka finder

References

packetstorm.news/files/id/215819/ (PacketStorm-215819) exploit

www.vulncheck.com/...ommand-injection-via-udp-remote-control (VulnCheck Advisory: RustFly 2.0.0 Command Injection via UDP Remote Control) third-party-advisory

cve.org (CVE-2026-27476)

nvd.nist.gov (CVE-2026-27476)

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