On September 16, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the Foundation: A Predictable, Customer-Focused Response to AI-Accelerated Vulnerability Discovery . Cisco Identity Services Engine Title CVE ID SIR Base Score Cisco Identity Services Engine Hardening Release: September 2026 CVE-2026-20130 CVE-2026-20192 CVE-2026-20194 CVE-2026-20234 CVE-2026-20237 CVE-2026-20287