CVE-2026-76726

Authentication Bypass Leading to Unauthorized Network Access in HPE Networking Instant ON API Endpoint

Published Sep 29, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
An authentication bypass vulnerability in the API endpoint of HPE Networking Instant ON could allow an unauthenticated remote attacker to bypass network access controls if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker to obtain unauthorized access to restricted networks.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Hewlett Packard Enterprise (hpe)
Hewlett Packard Enterprise (hpe) instant On
Vendors & Products Hewlett Packard Enterprise (hpe)
Hewlett Packard Enterprise (hpe) instant On
Type Values Removed Values Added
Weaknesses CWE-284
CWE-287
Type Values Removed Values Added
Description An authentication bypass vulnerability in the API endpoint of HPE Networking Instant ON could allow an unauthenticated remote attacker to bypass network access controls if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker to obtain unauthorized access to restricted networks.
Title Authentication Bypass Leading to Unauthorized Network Access in HPE Networking Instant ON API Endpoint
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hpe
Published
Updated
Oct 1, 2026, 3:55 AM
Reserved
Aug 19, 2026, 4:13 PM
Status
Awaiting Analysis
Published
Sep 29, 2026, 8:17 PM
Modified
Oct 1, 2026, 4:18 AM