This vulnerability is due to insufficient authentication on an internal interface that is exposed through the guest portal. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to manipulate the posture status on the affected system.
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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OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.
| Vendors | Products |
|---|---|
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Cisco
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Project Subscriptions
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Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Fri, 18 Sep 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Cisco
Cisco identity Services Engine Passive Identity Connector Cisco identity Services Engine Software |
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| Vendors & Products |
Cisco
Cisco identity Services Engine Passive Identity Connector Cisco identity Services Engine Software |
Wed, 16 Sep 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A vulnerability in the endpoint posture status reporting functionality of the guest portal web application of Cisco ISE could allow an unauthenticated, remote attacker to submit forged posture status events into the endpoint posture pipeline. This vulnerability is due to insufficient authentication on an internal interface that is exposed through the guest portal. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to manipulate the posture status on the affected system. | |
| Title | Cisco Identity Services Engine Event Injection Vulnerability | |
| Weaknesses | CWE-306 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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MITRE
Status: PUBLISHED
Assigner: cisco
Published:
Updated: 2026-09-18T14:46:10.062Z
Reserved: 2026-08-19T12:02:03.635Z
Link: CVE-2026-76439
Vulnrichment
No data.
NVD
Status : Awaiting Analysis
Published: 2026-09-16T21:17:19.303
Modified: 2026-09-18T15:17:12.250
Link: CVE-2026-76439
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-09-18T21:51:18Z