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TI-2026-21883 Aliases CVE-2026-27476GHSA-2fw7-qxr6-mwq7

RustFly 2.0.0 Command Injection via UDP Remote Control

Priority HIGH 81CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02987 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
BixatRustFly2.0.0—No fix listedCNA
  • RustFly VendorBixat Affected 2.0.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-27476
  2. 2026-10-03 Alias added: GHSA-2fw7-qxr6-mwq7

References

Sources