CVE-2026-20192criticalCWE-284

CVE-2026-20192: critical vulnerability in Cisco ISE Passive Identity Connector

Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities

Published · Updated

Follow this CVE+ Monitor Cisco Identity Services Engine+ Monitor Cisco ISE Passive Identity Connector

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 10epss 0.5%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products
Cisco · Cisco Identity Services Engine SoftwareCisco · Cisco ISE Passive Identity Connector
Related CVEs — Cisco ISE Passive Identity Connector

In the same product, most dangerous first.

CVE-2025-20281CRITICALCisco ISE API Unauthenticated Remote Code Execution VulnerabilityEPSS 97.6%KEVCVE-2026-76460CRITICALCisco Identity Services Engine Authentication Bypass VulnerabilityEPSS 75.6%KEVCVE-2025-20337CRITICALCisco ISE API Unauthenticated Remote Code Execution VulnerabilityEPSS 74.5%KEVCVE-2025-20282CRITICALCisco ISE API Unauthenticated Remote Code Execution VulnerabilityEPSS 38.7%CVE-2022-20964MEDIUMCVE-2022-20964EPSS 30.6%CVE-2022-20966MEDIUMCVE-2022-20966EPSS 27.6%