CVE-2026-76460

CRITICAL CISA KEV
Published Sep 16, 2026 Modified Sep 17, 2026 CWE-648

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.

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CVSS v3.1 Score

10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploit Prediction

0.1403
Probability of exploitation
0.97%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Sep 16, 2026 Remediation due: Sep 19, 2026

Weakness Type (CWE)

CWE-648 CWE-648

Affected Products

Vendor Product
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector
cisco identity_services_engine_passive_identity_connector

References

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 10.0 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
How severe is CVE-2026-76460? +
CVE-2026-76460 has a CVSS v3.1 score of 10.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.1403, placing it in the 1th percentile for exploitation probability.
What products are affected by CVE-2026-76460? +
CVE-2026-76460 affects products from cisco, specifically: identity_services_engine, identity_services_engine_passive_identity_connector. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-76460? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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