CVE-2026-76460
Cisco Identity Services Engine Authentication Bypass Vulnerability
Cisco·Identity Services Engine
- Added
- Sep 16, 2026
- Fix due
- Sep 19, 2026
- Ransomware
- Not known
- Published
- Sep 16, 2026
- Updated
- Oct 7, 2026
- First covered
- Sep 18, 2026
- Latest story
- 2 months ago
Summary
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.
CWE-648Incorrect Use of Privileged APIs
Attack profile
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HCISA 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.
Affected products
- Cisco Identity Services Engine Software3.1.0 p83.1.0 p93.3 Patch 23.3 Patch 1
- Cisco ISE Passive Identity Connector3.4.03.5.0