cisco-sa-ISE-ABP-VNSW7Tn5CriticalCVSS 10.0

Cisco Identity Services Engine Authentication Bypass Vulnerability

Published
September 16, 2026
Last Modified
September 16, 2026

🔗 CVE IDs covered (1)

CVE-2026-76460 →

📋 Description

A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication.

This vulnerability is due to insufficient authentication control on an API endpoint. An attacker could exploit this vulnerability by sending a crafted request to an affected API endpoint. A successful exploit could allow the attacker to gain unauthorized access to the affected device by bypassing the web-based management interface.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of September 16, 2026, Security Advisories ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-jfxK98ZP"]. In addition, for further documentation of improvements and fixes in Cisco Identity Services Engine, see Cisco Identity Services Engine Security Hardening Release: September 2026 ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ise-XU5EwX5T"].

CVE-2026-76460 — Cisco Identity Services Engine Authentication Bypass Vulnerability (CVSS 3.1 10.0, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)

🎯 Affected products33

  • Cisco ISE Passive Identity Connector
  • Cisco Identity Services Engine Software
  • Cisco ISE Passive Identity Connector 3.4.0
  • Cisco Identity Services Engine Software 3.1.0 p10
  • Cisco Identity Services Engine Software 3.1.0 p11
  • Cisco Identity Services Engine Software 3.1.0 p8
  • Cisco Identity Services Engine Software 3.1.0 p9
  • Cisco Identity Services Engine Software 3.2 Patch 10
  • Cisco Identity Services Engine Software 3.2 Patch 8
  • Cisco Identity Services Engine Software 3.2 Patch 9
  • Cisco Identity Services Engine Software 3.2.0 p7
  • Cisco Identity Services Engine Software 3.3 Patch 1
  • Cisco Identity Services Engine Software 3.3 Patch 10
  • Cisco Identity Services Engine Software 3.3 Patch 11
  • Cisco Identity Services Engine Software 3.3 Patch 2
  • Cisco Identity Services Engine Software 3.3 Patch 3
  • Cisco Identity Services Engine Software 3.3 Patch 4
  • Cisco Identity Services Engine Software 3.3 Patch 5
  • Cisco Identity Services Engine Software 3.3 Patch 6
  • Cisco Identity Services Engine Software 3.3 Patch 7
  • Cisco Identity Services Engine Software 3.3 Patch 8
  • Cisco Identity Services Engine Software 3.3 Patch 9
  • Cisco Identity Services Engine Software 3.4 Patch 1
  • Cisco Identity Services Engine Software 3.4 Patch 2
  • Cisco Identity Services Engine Software 3.4 Patch 3
  • Cisco Identity Services Engine Software 3.4 Patch 4
  • Cisco Identity Services Engine Software 3.4 Patch 5
  • Cisco Identity Services Engine Software 3.4 Patch 6
  • Cisco Identity Services Engine Software 3.4.0
  • Cisco Identity Services Engine Software 3.5 Patch 1
  • +3 more not shown

✅ Remediation

Cisco has released software updates that address this vulnerability. https://software.cisco.com Workarounds: There are no workarounds that address this vulnerability. However, there is a mitigation. To prevent remote exploitation of this vulnerability, use infrastructure access control lists (iACLs) to allow only required management and control plane traffic that is destined to the affected device.

🔗 References (6)