CVE-2026-18667 PUBLISHED

Sensor Proxy Version 1.4.2 Fixes One Vulnerability

Assigner: tenable
Reserved: 03.08.2026 Published: 03.08.2026 Updated: 03.08.2026

A vulnerability in Tenable Sensor Proxy allows a remote attacker to execute code with elevated privileges by inducing an operator to connect the sensor to an attacker-controlled host.

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS Score: 9.6

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

CVSS Vector: 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
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Tenable, Inc.
Product	Sensor Proxy
Versions	Default: affected affected from 0 to 1.4.2 (excl.)

Solutions

Tenable has released Sensor Proxy 1.4.2 to address these issues. The installation files can only be obtained via the Tenable Downloads Portal ( https://www.tenable.com/downloads/sensor-proxy ).

Credits

Neil Graves / LVL 0x00, LLC finder

References

https://www.tenable.com/security/tns-2026-21

Problem Types

CWE-94 CWE