Back to Feed
VulnerabilitiesSep 18, 2026

Cisco Zero-Day Highlights API Endpoint Authentication Issues

Cisco ISE zero-day CVE-2026-76460 allows authentication bypass via API endpoints.

Summary

A critical zero-day vulnerability, CVE-2026-76460, has been discovered in Cisco's Identity Services Engine (ISE). This flaw allows for an authentication bypass through API endpoints, earning it a maximum CVSS score of 10. The vulnerability highlights ongoing challenges with securing API authentication mechanisms.

Indicators of Compromise

  • cve — CVE-2026-76460

Entities

Identity Services Engine (ISE) (product)Cisco (vendor)API (technology)