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CVE-2026-76684 – Authentication Bypass – HPE EdgeConnect SD-WAN Orchestrator (≤9.7.0, 9.6.x, 9.5.x,

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Summary

CVE-2026-76684 is an authentication bypass vulnerability in the API of HPE Networking EdgeConnect SD-WAN Orchestrator. It could allow an unauthenticated remote attacker to circumvent existing authentication controls and obtain administrative privileges, leading to complete compromise of the Orchestrator host. HPE rates the issue HIGH severity with a CVSS v3.1 base score of 8.1.

Technical details

  • Root cause: one or more flaws in the Orchestrator API’s authentication controls allow the checks to be circumvented rather than properly enforced.
  • Trigger conditions: no authentication or user interaction is required; an attacker only needs network access to the exposed Orchestrator API.
  • Attack vector: network-based (AV:N), with high attack complexity (AC:H), no privileges required (PR:N), and no user interaction (UI:N).
  • Impact: successful exploitation grants the attacker administrative privileges over the Orchestrator, resulting in full compromise of confidentiality, integrity, and availability of the host and, by extension, the SD-WAN fabric it manages.

Affected software

  • HPE Networking EdgeConnect SD-WAN Orchestrator versions up to and including 9.7.0
  • Versions 9.6.0 through 9.6.3
  • Versions 9.5.0 through 9.5.8
  • Versions 9.4.0 through 9.4.10

Severity

  • CVSS v3.1 Base Score: 8.1 (High)
  • Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Consult HPE Security Bulletin HPESBNW05135 and apply the vendor-issued fixed release for your Orchestrator branch as soon as it is available; upgrade from any of the affected 9.4.x, 9.5.x, 9.6.x, or ≤9.7.0 builds.
  • If no patch can be applied immediately: restrict network access to the Orchestrator management/API interface to trusted, internal IP ranges only; ensure the Orchestrator is not directly reachable from the public internet; monitor access and authentication logs for anomalous administrative actions; and apply any interim guidance published in the HPE bulletin.

References

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