CVE-2026-76681 in EdgeConnect SD-WAN Orchestrator
Summary
by MITRE • 09/15/2026
A vulnerability in the API of EdgeConnect SD-WAN Orchestrator could allow an authenticated remote attacker with low privileges to access sensitive information beyond what is authorized by the user's existing privilege level. Successful exploitation could allow an attacker to retrieve information which could be used to potentially gain further access to network services supported by EdgeConnect SD-WAN Orchestrator.
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Analysis
by VulDB Data Team • 09/15/2026
The vulnerability identified in the API of EdgeConnect SD-WAN Orchestrator represents a critical failure in role-based access control mechanisms, specifically allowing for privilege escalation through improper authorization checks. This flaw enables an authenticated remote attacker operating with low-privilege credentials to bypass intended security restrictions and access sensitive data that is strictly reserved for higher-level administrators or other authorized roles. The core technical issue lies within the API endpoint logic, which fails to adequately validate whether the requesting user possesses the necessary permissions for the specific resource being accessed. Instead of enforcing strict separation between administrative functions and standard operational tasks, the system processes requests based on authentication status alone, neglecting comprehensive authorization verification at each step of the request lifecycle. This architectural oversight creates a pathway for unauthorized data retrieval that undermines the fundamental security principle of least privilege, which dictates that users should only have access to the information necessary for their specific job functions.
From an operational perspective, this vulnerability poses significant risks to network integrity and confidentiality. An attacker who successfully exploits this flaw can extract sensitive configuration details, cryptographic keys, or internal network topology maps that are typically protected by higher security clearance levels. The retrieved information serves as a valuable reconnaissance tool, allowing the adversary to map out the infrastructure supported by EdgeConnect SD-WAN Orchestrator with greater precision than originally intended. This enhanced visibility into the network environment can facilitate further attacks, such as targeted exploitation of specific services, lateral movement within the enterprise network, or even complete compromise of the orchestration layer itself. The ability to access unauthorized data effectively neutralizes the security boundaries established by system administrators, potentially leading to widespread service disruption or total loss of control over the software-defined wide area network infrastructure.
This type of vulnerability is commonly classified under CWE-269, which addresses Improper Privilege Assignment, and aligns with MITRE ATT&CK techniques related to Account Manipulation and Collection from Remote Systems. The exploitation vector typically involves crafting specific API requests that target endpoints designed for administrative tasks but are accessible due to the flawed authorization logic. To mitigate this risk, organizations must immediately apply vendor-provided patches or updates that address the underlying access control deficiencies in the Orchestrator software. Additionally, implementing strict network segmentation to isolate the management plane from general user traffic can limit the attack surface available to potential adversaries. Security teams should also enforce multi-factor authentication for all administrative accounts and conduct regular audits of API usage logs to detect anomalous activity indicative of privilege escalation attempts. Continuous monitoring and adherence to secure coding practices that emphasize explicit authorization checks at every API endpoint are essential steps in preventing similar vulnerabilities from being exploited in the future.