CVE-2026-27476

critical · 9.3

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.

9.3

CVSS

2.7%

EPSS (exploit prob.)

85th

EPSS percentile

2026-02-19

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-78

References

https://packetstorm.news/files/id/215819/
https://www.vulncheck.com/advisories/rustfly-command-injection-via-udp-remote-control

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-27476