CVE-2026-18667

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.

Overview

State: PUBLISHED
Assigner (CNA): tenable
CVSS severity: CRITICAL
CVSS score: 9.3 / 10
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
Effective score: 9.3 / 10 CRITICAL source: CNA overview
CWE(s): CWE-94
Reserved: 2026-08-03
Published: 2026-08-03 22:27 UTC
Last updated: 2026-08-03 22:27 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/18xxx/CVE-2026-18667.json
Linked Threat: CVE-2026-18667 — Sensor Proxy Version 1.4.2 Fixes One Vulnerability

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-08-03 23:16:45 UTC
NVD last modified: 2026-08-04 20:16:50 UTC
NVD CVSS v3.1: 9.6 / 10 CRITICAL source: vulnreport@tenable.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Exploitability subscore: 2.8 / 10
Impact subscore: 6.0 / 10
EPSS score: 0.0036 (probability of exploitation in next 30 days)
EPSS percentile: 29.12% vs all CVEs — higher = more likely to be exploited, as of 2026-08-04

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-52490
Assigner: tenable
Published: Aug 3, 2026, 10:27:29 PM
Updated: Aug 3, 2026, 10:27:29 PM
EUVD base score (CVSS 4.0): 9.3 / 10
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
EUVD-reported EPSS: 0.0000
Vendors: Tenable, Inc.
Products: Sensor Proxy (0 <1.4.2)
Aliases: GHSA-24h7-mgmp-x4j6

ENISA 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.

EUVD references (1)

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

Affected products (1)

Vendor	Product	Versions	Platforms
Tenable, Inc.	Sensor Proxy	`0` (affected)	Linux

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

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

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (1)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

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

Remediations (10)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

CVE-2026-18667: Tenable Sensor Proxy Remote Code Execution

web:cve.halosecurity.com

A critical vulnerability in Tenable Sensor Proxy ( CVE-2026-18667 ) allows remote attackers to execute code with elevated privileges by tricking an operator into connecting the se...

2026-08-04 20:26 UTC
CVE-2026-18667 - Sensor Proxy Version 1.4.2 Fixes One Vulnerability

web:cvefeed.io

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.

2026-08-04 20:26 UTC
CVE-2026-18667 - Exploits & Severity - Feedly

web:feedly.com

A vulnerability was found in Tenable Sensor Proxy up to 1.4.1 . It has been declared as very critical . This affects an unknown part. Such manipulation leads to improper privilege management. This vulnerability is documented as CVE-2026-18667 . The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

2026-08-04 20:26 UTC
Nvd - Cve-2026-20667

web:nvd.nist.gov

Analysis Description A logic issue was addressed with improved checks. This issue is fixed in watchOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 26.3 and iPadOS 26.3. An app may be able to break out of its sandbox.

2026-08-04 20:26 UTC
CVE-2026-18667: CWE-94 in Tenable, Inc. Sensor Proxy

web:radar.offseq.com

Mitigation Recommendations Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, operators should avoid connecting the Sensor Proxy to untrusted or attacker-controlled hosts to prevent exploitation.

2026-08-04 20:26 UTC
About the security content of iOS 26.6 and iPadOS 26.6

web:support.apple.com

This document describes the security content of iOS 26.6 and iPadOS 26.6.

2026-08-04 20:26 UTC
CVE-2026-18667 - Remote Code Execution in Tenable Sensor…

web:vulmon.com

Remote Code Execution in Tenable Sensor Proxy via Social Engineering. By tricking an operator into connecting the sensor to a malicious host, a remote attacker…

2026-08-04 20:26 UTC
CVE-2026-18667 - vulnerability database | Vulners.com

web:vulners.com

CVE-2026-18667 : Sensor Proxy 1.4.2 enables remote code execution by inducing operator to connect to attacker host.

2026-08-04 20:26 UTC
CVE-2026-18667 | Tenable®

web:www.tenable.com

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.

2026-08-04 20:26 UTC
The July 2026 Apple Security Update Review - Zero Day Initiative

web:www.zerodayinitiative.com

Welcome to our monthly look at Apple security patches. This release shows that Apple is not immune to the bug apocalypse that is impacting other vendors. Last month, they released 37 unique CVEs compare to this month's 210. Quite a jump. For July 2026 , Apple released 210 unique CVEs across iOS/iPad

2026-08-04 20:26 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-18667.json.

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