---
title: "CVE-2026-20176: Cisco ISE - Command Injection"
description: "Cisco ISE contains a command injection caused by insufficient validation of user-supplied input in HTTP requests, letting authenticated high-privileged administrators execute arbitrary OS commands and cause DoS, exploit requires high-privileged admin credentials."
url: https://panop.io/threat-heartbeat/CVE-2026-20176/
---

# CVE-2026-20176 Cisco ISE - Command Injection

Cisco ISE contains a command injection caused by insufficient validation of user-supplied input in HTTP requests, letting authenticated high-privileged administrators execute arbitrary OS commands and cause DoS, exploit requires high-privileged admin credentials.

CVSS base score 9.1 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.78% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-20176)

## Details

Type

Command Injection

Impact

Remote Code Execution, Privilege Escalation, Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Published

16 September 2026

Updated

15 October 2026

Weakness

[CWE-77](https://cwe.mitre.org/data/definitions/77.html)

## Vendor fix

Update to the latest available version with the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-20176](https://nvd.nist.gov/vuln/detail/CVE-2026-20176)
- [https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-rce-se7bYU57](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-rce-se7bYU57)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)