CVE-2026-76731
Medium
Description
An authentication bypass vulnerability in the captive portal of HPE Networking Instant On could allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain limited access to some data and to make limited changes within the affected component.
SeverityMedium
CVSS6.5
Exploit probability—
ProductInstant ON
PublishedSep 29, 2026
First seenSep 29, 2026
Weakness typeCWE-269Improper privilege management
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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