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Advisory severityCritical9.9Cisco

Critical [CVE-2026-20176 +2] Cisco Identity Services Engine Remote Code Execution Vulnerabilities

This critical-severity Cisco advisory covers CVE-2026-20176 and CVE-2026-20211 and 1 more CVE affecting Identity Services Engine Software.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations. This bulletin covers 3 CVEs; its score, affected versions and guidance may apply to different issues within that bulletin.

cisco-sa-ise-rce-se7bYU57 Source published Source updated

VulniPulse record published Record updated

CVE-2026-20176CVE-2026-20211CVE-2026-20307
Affected products & platforms
CiscoISEIdentity Services Engine
Open source advisory

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Summary

Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit these vulnerabilities, the attacker must have valid administrative credentials.

For more information about these vulnerabilities, see the Details section of this advisory.

Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of September 16, 2026, Security Advisories.

In addition, for further documentation of improvements and fixes in Cisco Identity Services Engine, see Cisco Identity Services Engine Security Hardening Release: September 2026.

Affected product named by the advisory: Identity Services Engine Software.

Affected versions
  • Scope: These vulnerabilities affect Cisco ISE, regardless of device configuration.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Fixed versions
  • First Fixed Release forCVE-2026-20307
  • 3.1 Patch 12
  • 3.2 Patch 11
  • 3.3 Patch 12
  • 3.4 Patch 7
  • 3.5 Patch 3

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Mitigation checklist

Workaround status
  • There are no workarounds that address these vulnerabilities.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

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