CVE-2026-76726

Authentication Bypass Leading to Unauthorized Network Access in HPE Networking Instant ON API Endpoint

HIGH
8.1
CVSS Score
Published: September 29, 2026 at 07:28 PM UTC
Updated: October 1, 2026 at 04:18 AM UTC
1 product affected across 1 vendorInstant On

Using Instant ON by Hewlett Packard Enterprise (HPE)?

Get instant alerts when new vulnerabilities affect Instant ON - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHhpe
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-287

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card