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Critical 10.0Published Sep 16, 2026

CVE-2026-20192Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities

Updated under an hour ago ()

Does this affect you?

It affects Cisco Identity Services Engine Software and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
10.0 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
CWE-284
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
cisco
NVD analysis
Analyzed
Record last updated
Sep 18, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Cisco Cisco Identity Services Engine Software
cisco:identity_services_engine_software (from the name)
3.1.0; 3.1.0 p1; 3.1.0 p3; 3.1.0 p2; 3.2.0; 3.1.0 p4; 3.1.0 p5; 3.2.0 p1; and 39 more ranges
CNA record
Cisco Cisco ISE Passive Identity Connector
cisco:ise_passive_identity_connector (from the name)
3.2.0; 3.1.0; 3.3.0; 3.4.0; 3.5.0
CNA record
cisco identity_services_engine
cisco:identity_services_engine
from 3.1.0 before 3.3.0; 3.3.0; 3.3.0; 3.3.0; 3.3.0; 3.3.0; 3.3.0; 3.3.0; and 15 more ranges
NVD
cisco identity_services_engine_passive_identity_connector
cisco:identity_services_engine_passive_identity_connector
from 3.1.0 before 3.3.0; 3.3.0; 3.3.0; 3.3.0; 3.3.0; 3.3.0; 3.3.0; 3.3.0; and 11 more ranges
NVD

References

  • vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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