What is CVE-2026-18667?

CVE-2026-18667 is a critical-severity vulnerability in Tenable, Inc. Sensor Proxy, classified under Code Injection. CVSS score: 9.6/10. Published 2026-08-03.

How severe is CVE-2026-18667?

Critical severity. CVSS v3 base score is 9.6 out of 10.

RCE in Tenable, Inc. Sensor Proxy

CVE-2026-18667

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.

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Tenable, Inc. Sensor Proxy — versions 0

Weakness classification (CWE)

CWE-94 — Code Injection

References

vulnreport@tenable.com

Frequently asked questions

What is CVE-2026-18667?: CVE-2026-18667 is a critical-severity vulnerability in Tenable, Inc. Sensor Proxy, classified under Code Injection. CVSS score: 9.6/10. Published 2026-08-03.
How severe is CVE-2026-18667?: Critical severity. CVSS v3 base score is 9.6 out of 10.