---
id: CVE-2026-106126
title: >-
  A command injection vulnerability in the Active Directory Events Listener of
  Tenable Identity Exposure (SaaS) allows an authenticated, low-privileged
  attacker to execute arbitrary commands as SYSTEM on the PDCe.
summary: >-
  A command injection vulnerability in the Active Directory Events Listener of
  Tenable Identity Exposure (SaaS) allows an authenticated, low-privileged
  attacker to execute arbitrary commands as SYSTEM on the PDCe.
severity: critical
cvss: 9.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-78
published: '2026-10-08'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T21:17:51.547'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106126'
references:
  - url: 'https://www.tenable.com/security/tns-2026-27'
    label: vulnreport@tenable.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-08T21:07:56.432Z'
epss: 0.0219
epssPercentile: 0.8234
vendor: 'Tenable, Inc.'
product: Tenable Identity Exposure (SaaS)
affected:
  - tenable_identity_exposure_saas < 3.126.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-08T20:14:50.276958Z'
---

## Overview

A command injection vulnerability in the Active Directory Events Listener of Tenable Identity Exposure (SaaS) allows an authenticated, low-privileged attacker to execute arbitrary commands as SYSTEM on the PDCe.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.