Cisco Security Advisoriescisco-sa-ISE-ABP-VNSW7Tn5

Cisco Identity Services Engine Authentication Bypass Vulnerability

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 available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-ABP-VNSW7Tn5 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. In addition, for further documentation of improvements and fixes in Cisco Identity Services Engine, see Cisco Identity Services Engine Security Hardening Release: September 2026. Security Impact Rating: Critical CVE: CVE-2026-76460

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CriticalCVSS not listedCritical severity

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Timeline

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Sep 16, 2026 at 4:00 PM UTC
Published by Cisco
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Sep 16, 2026 at 4:10 PM UTC
Added to SecurityAlert
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Sep 26, 2026 at 6:40 PM UTC
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Vulnerabilities

CVEs named in this advisory

CVE-2026-76460View CVSS, KEV, EPSS, and threat context

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Vendor: Cisco
Advisory ID: cisco-sa-ISE-ABP-VNSW7Tn5
Last source check: Sep 26, 2026 at 6:40 PM UTC

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Related advisories from Cisco

Cisco Advance Notification for Publication of September 16, 2026, Security Advisories

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