CVE-2026-20194

CVE CVE-2026-20194EUVD EUVD-2026-81100Published 2026-09-16T20:05:32.000ZLast changed 2026-09-18T03:55:48.000ZCVSS 9.1

What the advisory describes

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-2026-20194 are related to incorrect resource transfer between spheres that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-669.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Cisco — Cisco ISE Passive Identity Connector 3.1.0; 3.2.0; 3.5.0; 3.3.0; 3.4.0
Cisco — Cisco Identity Services Engine Software 3.2.0 p6; 3.2.0 p5; 3.3 Patch 3; 3.3 Patch 11; 3.3 Patch 7; 3.3.0; 3.4 Patch 1; 3.2.0; 3.4 Patch 2; 3.1.0 p5; 3.4.0; 3.1.0 p1; 3.4 Patch 6; 3.3 Patch 9; 3.1.0 p8; 3.1.0 p3; 3.1.0 p6; 3.1.0 p10; 3.3 Patch 5; 3.5 Patch 3; 3.2 Patch 9; 3.5.0; 3.1.0; 3.5 Patch 2; 3.4 Patch 4; 3.4 Patch 3; 3.1.0 p2; 3.1.0 p4; 3.2.0 p4; 3.1.0 p72; 3.2.0 p3; 3.2.0 p1; 3.3 Patch 4; 3.3 Patch 6; 3.3 Patch 10; 3.2.0 p7; 3.1.0 p9; 3.3 Patch 2; 3.3 Patch 8; 3.4 Patch 5; 3.1.0 p11; 3.3 Patch 1; 3.2 Patch 10; 3.1.0 p7; 3.5 Patch 1; 3.2 Patch 8; 3.2.0 p2

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

Cisco — Identity Services Engine Software

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