CVE-2026-66800

Received Received - Intake

Azure Data Factory SSRF Vulnerability Exposes Network Information

Publication date: 2026-08-20

Last updated on: 2026-08-20

Assigner: Microsoft Corporation

Description

Server-side request forgery (ssrf) in Azure Data Factory allows an unauthorized attacker to disclose information over a network.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-20

Last Modified

2026-08-20

Generated

2026-08-21

AI Q&A

2026-08-21

EPSS Evaluated

N/A

NVD

CVE-2026-66800

EUVD

EUVD-2026-63623

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	azure_data_factory	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-918	The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Attack-Flow Graph

Executive Summary

This is a server-side request forgery (SSRF) vulnerability in Azure Data Factory. An unauthorized attacker can exploit it to make the server send unauthorized requests to internal or external systems, potentially disclosing sensitive information over the network.

Impact Analysis

An attacker could use this to access internal resources, exfiltrate data, or interact with other systems on your network. This may lead to data breaches, unauthorized access to sensitive information, or further attacks on connected systems.

Compliance Impact

This vulnerability could lead to unauthorized data disclosure, violating GDPR (data protection) and HIPAA (health information privacy) requirements. Organizations may face fines, legal penalties, and reputational damage due to non-compliance.

Mitigation Strategies

Implement network-level restrictions to block unauthorized outbound requests from Azure Data Factory. Review and update firewall rules to limit access to trusted endpoints only. Ensure Azure Data Factory instances are not exposed to untrusted networks or users.

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