A vulnerability in the endpoint posture status reporting functionality of the guest portal web application of Cisco ISE could allow an… (CVE-2026-76439)
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.
A vulnerability in the endpoint posture status reporting functionality of the guest portal web application of Cisco ISE could allow an… (CVE-2026-76439)
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.
CVSS v3.1
Score 5.3medium
Weaknesses
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-ppcr-3wc7-2p22
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-76439"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aab49a155bf5e2cf5991ab3
Added to database: 09/17/2026, 02:00:01 UTC
Last updated: 09/17/2026, 02:02:26 UTC
Views: 1
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