CVE-2026-76731

MEDIUMCVSS 6.5/10

Last modified

CVE-2026-76731 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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..

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Hewlett Packard Enterprise (HPE)Instant ON>= 0.0.0.0, <= 3.4.1.0

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-76731?
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.
How severe is CVE-2026-76731?
CVE-2026-76731 has a CVSS score of 6.5/10 (MEDIUM severity).
How do I fix CVE-2026-76731?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST