Command Injection
Summary
| CVE | CVE-2026-106126 |
|---|---|
| State | PUBLISHED |
| Assigner | tenable |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-08 20:17:29 UTC |
| Updated | 2026-10-08 21:17:51 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v4.0 9.4 CRITICAL from [email protected]
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.018780000 probability, percentile 0.788340000 (date 2026-10-10)
Problem Types: CWE-78 | CWE-78 CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 9.4 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/C... |
| 4.0 | CNA | CVSS | 9.4 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| 3.1 | [email protected] | Secondary | 9.9 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 9.9 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
CVSS v4.0 Breakdown
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Tenable Inc. | Tenable Identity Exposure SaaS | affected 3.126.0 semver | Windows |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.tenable.com/security/tns-2026-27 | [email protected] | www.tenable.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Takumi Ito (en)
Additional Advisory Data
Solutions
CNA: To fully resolve this issue, existing installations must run Register-TenableIOA.ps1 -Uninstall and reinstall the listener after upgrading. Please see the full release notes for additional instructions. ( https://docs.tenable.com/identity-exposure.htm )