CVE-2026-20130
Critical
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-2026-20130 are related to improper neutralization of special elements issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-74.
SeverityCritical
CVSS10.0
Exploit probability—
Product
Cisco Identity Services Engine
PublishedSep 16, 2026
First seenSep 16, 2026
Weakness typeCWE-74Injection
How to fix
Update
- cisco identity_services_engine3.3.0 or later
- cisco identity_services_engine_passive_identity_connector3.3.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco identity_services_engine | 3.1.0 ≤ v < 3.3.0, 3.3.0, 3.4.0, 3.5.0 | 3.3.0 |
| cisco identity_services_engine_passive_identity_connector | 3.1.0 ≤ v < 3.3.0, 3.3.0, 3.4.0 | 3.3.0 |
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