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Security Alerts

CVE-2026-32211: Missing authentication in Azure MCP Server

Missing authentication for critical function in Azure MCP Server allows an unauthorized attacker to disclose information over a network....

Summary

ParameterValue
CVE IDCVE-2026-32211
Alert SourceGitHub Advisory - Critical Vulnerability
CVE Publication Year2026
Date Published2026-04-03
VendorAzure
ProductMCP Server
CVSS Score9.1 (critical)
EPSS ScoreNo data
CISA KEVNo
RansomwareNot confirmed

Vulnerability Description

Missing authentication for critical function in Azure MCP Server allows an unauthorized attacker to disclose information over a network.

Required Actions

Apply vendor patches or mitigations as soon as available.

Who Is Affected?

This vulnerability affects MCP Server by Azure. Check if your organization uses this software and requires updates.

Sources


Need help securing your systems? nFlo team offers vulnerability management and 24/7 SOC services. Contact us.

How can nFlo help?

If your organization uses products affected by this vulnerability, contact us. We can help with:

  • Verifying whether your systems are at risk
  • Implementing patches and risk mitigation
  • Monitoring for exploitation attempts in your environment

Useful resources:

Frequently asked questions

What is the CVE-2026-32211 vulnerability?

CVE-2026-32211 is a security vulnerability discovered in Azure's MCP Server. The vulnerability has been assigned a CVSS score of 9.1 (critical severity). Any organization using this product should immediately verify their exposure and take appropriate remediation steps.

Who is affected by CVE-2026-32211?

This vulnerability affects users of Azure's MCP Server. Organizations using this solution should check whether their deployed version is vulnerable and apply available security patches or implement recommended workarounds.

How to protect against CVE-2026-32211?

Apply security patches released by Azure or implement recommended workarounds. Regular vulnerability monitoring and prompt patch deployment are essential for effective protection against this type of threat.

What is the risk level of CVE-2026-32211?

The vulnerability has a CVSS score of 9.1 (critical severity). Successful exploitation could lead to compromise of organizational systems and data.

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