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CVE-2026-20194— Cisco Identity Services Engine Hardening Release - Incorrect Resource Transfer Vulnerabilities

Quick assessment

Affected
Cisco Cisco Identity Services Engine Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

作为思科持续致力于主动安全防护和产品质量的一部分，思科身份服务引擎（Cisco Identity Services Engine，简称 ISE）和思科 ISE 被动身份连接器（Cisco ISE Passive Identity Connector，简称 ISE-PIC）的工程团队进行了一次全面的内部安全审查。此次审查催生了一项软件加固发布版本，用于解决多个内部发现的漏洞。 由 CVE-2026-20194 跟踪的漏洞与在不同“域”（spheres，此处可能指不同的软件模块、组件或信任域）之间发生的错误资源传递有关

CVSS 9.1 · Critical EPSS 0.48% · P41

Possible ATT&CK Techniques 1 AI

T1202 · Indirect Command Execution

Affected Version Matrix 52

VendorProduct Version RangeStatus
Cisco Cisco Identity Services Engine Software 3.1.0 affected
3.1.0 p1 affected
3.1.0 p3 affected
3.1.0 p2 affected
3.2.0 affected
3.1.0 p4 affected
3.1.0 p5 affected
3.2.0 p1 affected
… +39 more rows
Cisco Cisco ISE Passive Identity Connector 3.2.0 affected
3.1.0 affected
3.3.0 affected
3.4.0 affected
3.5.0 affected
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I. Basic Information for CVE-2026-20194

Vulnerability Information
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Vulnerability Title
Cisco Identity Services Engine Hardening Release - Incorrect Resource Transfer Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在范围间的资源转移不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Identity Services Engine Software 3.1.0 -
Cisco Cisco ISE Passive Identity Connector 3.2.0 -

II. Public POCs for CVE-2026-20194

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III. Intelligence Information for CVE-2026-20194

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Vendor Advisories for CVE-2026-20194 (1)

Same Patch Batch · Cisco · 2026-09-16 · 79 CVEs total

CVE-2026-76460 10.0 CRITICAL Cisco Identity Services Engine Authentication Bypass Vulnerability
CVE-2026-76423 10.0 CRITICAL Cisco ISE API Authentication Bypass Vulnerability
CVE-2026-20130 10.0 CRITICAL Cisco Identity Services Engine Hardening Release - Improper Neutralization Vulnerabilities
CVE-2026-20192 10.0 CRITICAL Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities
CVE-2026-20329 9.9 CRITICAL Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software
CVE-2026-20234 9.9 CRITICAL Cisco Identity Services Engine Hardening Release - Insuffiencently Protected Credential Vu
CVE-2026-20307 9.9 CRITICAL Cisco Identity Services Engine Remote Code Execution Vulnerability
CVE-2026-20324 9.9 CRITICAL Cisco Secure Firewall Management Center sftunnel Root Arbitrary Code Exectution Vulnerabil
CVE-2026-20322 9.9 CRITICAL Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Improper Access
CVE-2026-20330 9.9 CRITICAL Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software
CVE-2026-20325 9.9 CRITICAL Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Improper Neutra
CVE-2026-20332 9.9 CRITICAL Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software
CVE-2026-20326 9.8 CRITICAL Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Missing Authent
CVE-2026-20242 9.8 CRITICAL Cisco Secure Firewall Management Center Software Java Deserialization Remote Code Executio
CVE-2026-20331 9.6 CRITICAL Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software
CVE-2026-20176 9.1 CRITICAL Cisco Identity Services Engine Remote Code Execution Vulnerability
CVE-2026-20341 9.1 CRITICAL Cisco Secure Firewall Management Center Software sftunnel Deserialization Root Command Exe
CVE-2026-20284 9.1 CRITICAL Cisco Identity Search Engine SXP REST API SQL Injection Vulnerability
CVE-2026-20305 9.1 CRITICAL Cisco Identity Services Engine Command Injection Vulnerability
CVE-2026-20306 9.1 CRITICAL Cisco Identity Services Engine Command Injection Vulnerability

Showing top 20 of 79 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Identity Services Engine Software
Same vendor: Cisco
Same weakness: CWE-669