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    CVE-2026-76726

    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.

    Published:Sep 29, 2026
    Last Modified:Sep 30, 2026
    EPS:Sep 29, 2026
    EPSS Score:0.00367
    CVSS Score:8.1

    Affected Products

    Vendor
    Hewlett Packard Enterprise (hpe)
    Product
    Instant On

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-114 Authentication Abuse
    CAPEC-115 Authentication Bypass
    CAPEC-151 Identity Spoofing
    CAPEC-19 Embedding Scripts within Scripts
    CAPEC-194 Fake the Source of Data
    CAPEC-22 Exploiting Trust in Client
    CAPEC-441 Malicious Logic Insertion
    CAPEC-478 Modification of Windows Service Configuration
    CAPEC-479 Malicious Root Certificate
    CAPEC-502 Intent Spoof
    CAPEC-503 WebView Exposure
    CAPEC-536 Data Injected During Configuration
    CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
    CAPEC-550 Install New Service
    CAPEC-551 Modify Existing Service
    CAPEC-552 Install Rootkit
    CAPEC-556 Replace File Extension Handlers
    CAPEC-558 Replace Trusted Executable
    CAPEC-562 Modify Shared File
    CAPEC-563 Add Malicious File to Shared Webroot
    CAPEC-564 Run Software at Logon
    CAPEC-57 Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
    CAPEC-578 Disable Security Software
    CAPEC-593 Session Hijacking
    CAPEC-633 Token Impersonation
    CAPEC-650 Upload a Web Shell to a Web Server
    CAPEC-94 Adversary in the Middle (AiTM)

    Related CVEs

    CVE-2026-76738 (CVSS 2.7) — A buffer overflow vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an au…
    CVE-2026-76737 (CVSS 3) — An authenticated path traversal vulnerability exists in the command line interface of HPE Networking Instant O…
    CVE-2026-76736 (CVSS 3.3) — A buffer overflow vulnerability exists in the underlying operating system of HPE Networking Instant On. Succes…
    CVE-2026-76735 (CVSS 4.1) — A sensitive information disclosure vulnerability exists in the underlying operating system of HPE Networking I…
    CVE-2026-76734 (CVSS 4.8) — A memory corruption vulnerability in the affected interface of HPE Networking Instant On could allow an unauth…
    CVE-2026-76733 (CVSS 4.9) — A denial-of-service vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an …
    CVE-2026-76732 (CVSS 6.4) — A local privilege-escalation vulnerability has been discovered in the affected daemon of HPE Networking Instan…
    CVE-2026-76731 (CVSS 6.5) — An authentication bypass vulnerability in the captive portal of HPE Networking Instant On could allow an unaut…
    CVE-2026-76730 (CVSS 6.5) — An authentication bypass vulnerability exists in the PAPI protocol of HPE Networking Instant ON APs that could…
    CVE-2026-76729 (CVSS 6.6) — A format string vulnerability in the API endpoint of HPE Networking Instant ON APs could allow an authenticate…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High