CVE-2026-76460

Cisco Identity Services Engine Software, Cisco ISE Passive Identity Connector

Published 16 Sept 2026 · updated 25 Sept 2026 · Analyzed

10.0 Critical · CVSS 3.1, cisco.com

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 16 Sept 2026, with a remediation deadline of 19 Sept 2026 for US federal agencies.

Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

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.

References