CVE-2026-69502 in Azure SQL Database
Summary
by MITRE • 08/21/2026
Server-side request forgery (ssrf) in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
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Analysis
by VulDB Data Team • 08/22/2026
The vulnerability described constitutes a Server-Side Request Forgery, commonly abbreviated as SSRF, within the Microsoft Azure SQL Database service environment. This class of flaw arises when a server accepts user-supplied input and uses that data to construct or modify URLs for internal requests without sufficiently validating whether those destinations are authorized or safe. In this specific instance, an unauthorized attacker who has gained access to the application layer interacting with Azure SQL Database can manipulate these inputs to force the database service to initiate connections to arbitrary network endpoints. This capability effectively allows the attacker to bypass standard authentication and authorization controls that would normally restrict direct external access to internal resources, thereby elevating their privileges from a limited user context to one capable of traversing the underlying network infrastructure associated with the Azure SQL Database instance.
From a technical perspective, SSRF vulnerabilities typically exploit weaknesses in how applications handle URLs or IP addresses provided by end-users. When an application constructs a request based on this input and executes it server-side, it operates under the privileges of the service account rather than the user who submitted the data. In cloud environments like Azure SQL Database, where services often have access to internal metadata endpoints, private network resources, and other microservices, this distinction is critical. An attacker can leverage SSRF to probe internal networks, potentially discovering sensitive configuration details stored in instance metadata services or accessing administrative interfaces that are not exposed to the public internet but are reachable from within the cloud provider's virtual network. The elevation of privilege occurs because the server performs actions on behalf of the user with higher system-level permissions than those granted to the original attacker.
The operational impact of this vulnerability is severe, as it compromises the confidentiality and integrity of data hosted within the Azure SQL Database instance. By leveraging SSRF, an adversary may access internal services that store database credentials, connection strings, or other sensitive configuration parameters. This can lead to a complete compromise of the database environment if the attacker successfully retrieves administrative keys or exploits trust relationships between internal microservices. Furthermore, the ability to make requests from within the cloud infrastructure allows for lateral movement across the network topology. Attackers may use this access to pivot into adjacent virtual networks, target other services such as Azure Key Vault or storage accounts, and exfiltrate sensitive data that was previously considered secure behind firewalls and security groups designed to block external traffic but not internal service-to-service communication.
To mitigate SSRF vulnerabilities in cloud database environments like Azure SQL Database, organizations must implement strict input validation on all user-supplied URLs and IP addresses. This includes maintaining a whitelist of allowed domains or IP ranges that the application is permitted to access externally. Additionally, network-level controls should be enforced by configuring virtual network rules and private endpoints to restrict outbound traffic from the database service to only necessary destinations. Disabling metadata endpoint access where possible can also reduce the risk of information disclosure through SSRF attacks. Security teams should regularly audit application code for improper handling of external inputs and employ Web Application Firewalls that are configured to detect and block suspicious request patterns indicative of SSRF attempts, such as requests targeting internal IP ranges or cloud provider metadata services.