CVE-2026-20192

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20192 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

Scoring

Severity

CRITICAL

CVSS base score

10

CVSS vector

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

CWE

CWE-284

Published

2026-09-16

Last modified

2026-09-16

Affected products

• Cisco Cisco Identity Services Engine Software
• Cisco Cisco Identity Services Engine Software
• Cisco Cisco Identity Services Engine Software
• Cisco Cisco Identity Services Engine Software
• Cisco Cisco Identity Services Engine Software
• Cisco Cisco Identity Services Engine Software
• Cisco Cisco Identity Services Engine Software
• Cisco Cisco Identity Services Engine Software

Weakness type

• CWE-284

Related vulnerabilities

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• CVE-2026-76607 — Joomla Extension - fabrikar.com - Missing ACL check in download element in Fabrik < 4.7.2
• CVE-2026-54745 — Kubeflow Pipelines: Unauthenticated SSRF and HTTP smuggling in Kubeflow Pipelines frontend /_proxy/ route, bypasses ENABLE_AUTHZ=true
• CVE-2026-20315 — Cisco Secure Workload Software Security Hardening Release August 2026 - Improper Access Control Vulnerabilities
• CVE-2026-77553 — A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability f
• CVE-2026-77536 — A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability f
• CVE-2026-77534 — A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability f
• CVE-2026-20332 — Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Improper Access Control Vulnerabilities

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