CVE-2026-76733
Authenticated Denial-of-Service Vulnerability in HPE Networking Instant On API Endpoint
CVSS Score
4.9
EPSS Score
0.0%
EPSS Percentile
0th
A denial-of-service vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an authenticated attacker with administrative privileges to cause a denial of service. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service, which resumes without manual intervention.
| Vendor | hewlett packard enterprise (hpe) |
| Product | instant on |
| Published | Sep 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Hewlett Packard Enterprise (HPE) / Instant ON
0.0.0.0 ≤ 3.4.1.0
References
Credits
🔍 Internal security research (HPE Networking).