CVE-2026-76726
High
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.
SeverityHigh
CVSS8.1
Exploit probability—
ProductInstant ON
PublishedSep 29, 2026
First seenSep 29, 2026
Weakness typeCWE-287Improper authentication
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Hewlett Packard Enterprise (HPE) Instant ON | v ≤ 3.4.1.0 | — |
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