CVE-2026-76460
Cisco Identity Services Engine Authentication Bypass Vulnerability
- Published
- Sep 16, 2026
- Updated
- Sep 17, 2026
- Assigning CNA
- cisco
- Evidence observed
- Sep 17, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HLow · next 30 days
- Percentile
- 54.1%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
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.
Sources
1Educational Flask lab simulating CVE-2026-76460 authentication bypass, with vulnerable, secure, and strict modes plus a PoC exploit script and pentest harness.
Responsible use
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