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Hewlett Packard Enterprise Instant ON: authentication bypass

High8.1CVE-2026-76726 · Published Sep 29, 2026 · updated Oct 1, 2026

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.

Affected versions

PackageAffectedFixed in
Instant ON
Product
>= 0.0.0.0, <= 3.4.1.0No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-287

More Hewlett Packard Enterprise advisories

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Advisory
Hewlett Packard Enterprise Instant ON: buffer overflow
Low3.3Sep 29
Hewlett Packard Enterprise Instant ON: path traversal
Low3.0Sep 29
Hewlett Packard Enterprise Instant ON: buffer overflow
Low2.7Sep 29
Hewlett Packard Enterprise Instant ON: memory corruption
Medium6.6Sep 29
Hewlett Packard Enterprise Instant ON: authentication bypass
Medium6.5Sep 29
Hewlett Packard Enterprise Instant ON: authentication bypass
Medium6.5Sep 29

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