GHSA-hhfx-wfvq-7g9c
Azure MCP Server has Server-Side Request Forgery issue that allows authorized attacker to elevate privileges over a network
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| NuGet | Azure.Mcp | >= 2.0.0-beta.1, < 2.0.0-beta.17 | 2.0.0-beta.17 |
| NuGet | Azure.Mcp | >= 1.0.0, < 1.0.2 | 1.0.2 |
| npm | @azure/mcp | >= 2.0.0-beta.1, < 2.0.0-beta.17 | 2.0.0-beta.17 |
| PyPI | msmcp-azure | >= 2.0.0b14, < 2.0.0b17 | 2.0.0b17 |
| npm | @azure/mcp | >= 1.0.0, < 1.0.2 | 1.0.2 |
Details
As written in the advisory (Markdown source, shown as plain text).
Server-Side Request Forgery (SSRF) in Azure MCP Server allows an authorized attacker to elevate privileges over a network.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2026-26118
- https://github.com/microsoft/mcp/commit/804ff60293206c4d8e832f772097238561bf2c34
- https://github.com/microsoft/mcp
- https://github.com/microsoft/mcp/releases/tag/Azure.Mcp.Server-1.0.2
- https://github.com/microsoft/mcp/releases/tag/Azure.Mcp.Server-2.0.0-beta.17
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26118