CVE-2026-76730
Medium
Description
An authentication bypass vulnerability exists in the PAPI protocol of HPE Networking Instant ON APs that could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to circumvent certain existing authentication mechanisms and send unauthorized network traffic to the target device.
SeverityMedium
CVSS6.5
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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