by Kastro
Paper/Archive/CVE-2026-27476

CVE-2026-27476

Bixat RustFly — RustFly 2.0.0 Command Injection via UDP Remote Control

EPSS 3%public exploitCVSS 9.8
critical.is priorityof 100
57
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 87.3.873 × 2017.5Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
RustFly2.0.0–CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)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
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitpacketstorm.news/files/id/215819writeupvulncheck.com/advisories/rustfly-command-injection-via-udp-remote-control