- Critical 10.0
- Known exploited (CISA KEV)
CVE-2026-76460
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.
Scores
The facts
- Published
- 16 September 2026
- Last changed
- 7 October 2026
- NVD status
- Analyzed
- Severity
- Critical, CVSS 10.0 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- Affects
- cisco identity services engine
- cisco identity services engine passive identity connector
- Known exploited
- Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 16 September 2026.
- EPSS
- 14.0% chance of exploitation activity in the next 30 days (percentile 97).
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