This vulnerability is due to the REST API web service being exposed with insufficient authorization checks. An attacker could exploit this vulnerability by sending a crafted HTTP request to the exposed REST API port. A successful exploit could allow the attacker to read and modify ISE configuration and identity data with administrative privileges.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Cisco | Cisco Identity Services Engine Software | unknown |
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| Cisco | Cisco ISE Passive Identity Connector | unknown |
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No data available yet.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Fri, 18 Sep 2026 03:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Wed, 16 Sep 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A vulnerability in the REST API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to gain administrative access to an affected device. This vulnerability is due to the REST API web service being exposed with insufficient authorization checks. An attacker could exploit this vulnerability by sending a crafted HTTP request to the exposed REST API port. A successful exploit could allow the attacker to read and modify ISE configuration and identity data with administrative privileges. | |
| Title | Cisco ISE API Authentication Bypass Vulnerability | |
| Weaknesses | CWE-290 | |
| References |
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| Metrics |
cvssV3_1
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Subscriptions
No data.
MITRE
Status: PUBLISHED
Assigner: cisco
Published:
Updated: 2026-09-17T11:39:23.437Z
Reserved: 2026-08-19T12:02:03.633Z
Link: CVE-2026-76423
Vulnrichment
Updated: 2026-09-17T11:31:55.703Z
NVD
Status : Awaiting Analysis
Published: 2026-09-16T20:17:28.717
Modified: 2026-09-17T12:18:26.607
Link: CVE-2026-76423
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-09-18T01:00:10Z
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CWE-290
Authentication Bypass by Spoofing