CVE-2026-76439 is listed by Cisco Identity Services Engine Authentication Bypass Vulnerabilities.

Code

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Timeline

Detection, updates, and resolution for this record.

1. Sep 24, 2026 · Cisco Security Advisories

   Detected

   Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow a remote attacker to access or manipulate data, obtain sensitive information, or cause a reload of certificate and key material on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Cisco has released software u

Sources

• Cisco Security AdvisoriesVendor advisoryCVE-2026-76439

  Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow a remote attacker to access or manipulate data, obtain sensitive information, or cause a reload of certificate and key material on an affected device. F

  sec.cloudapps.cisco.com