CVE-2026-18667

Received Received - Intake

Remote Code Execution in Tenable Sensor Proxy

Publication date: 2026-08-03

Last updated on: 2026-08-03

Assigner: Tenable Network Security, Inc.

Description

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 Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-03

Last Modified

2026-08-03

Generated

2026-08-04

AI Q&A

2026-08-04

EPSS Evaluated

N/A

NVD

CVE-2026-18667

EUVD

EUVD-2026-52490

Affected Vendors & Products

Vendor	Product	Version / Range
tenable	sensor_proxy	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-94	The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Attack-Flow Graph

Executive Summary

This vulnerability in Tenable Sensor Proxy allows a remote attacker to execute code with elevated privileges. It works by tricking an operator into connecting the sensor to a host controlled by the attacker.

Impact Analysis

An attacker could gain full control over the affected system, leading to unauthorized access, data theft, or further compromise of connected systems. This could disrupt operations or expose sensitive information.

Mitigation Strategies

Immediately update the Tenable Sensor Proxy to the latest patched version. Disable remote connections to the sensor until patched. Monitor network traffic for unusual connections to untrusted hosts.

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