GHSA-HHFX-WFVQ-7G9C

Vulnerability from github – Published: 2026-03-10 18:31 – Updated: 2026-03-12 19:53
VLAI?
Summary
Azure MCP Server has Server-Side Request Forgery issue that allows authorized attacker to elevate privileges over a network
Details

Server-Side Request Forgery (SSRF) in Azure MCP Server allows an authorized attacker to elevate privileges over a network.

Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Azure.Mcp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.0-beta.1"
            },
            {
              "fixed": "2.0.0-beta.17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Azure.Mcp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.0.0"
            },
            {
              "fixed": "1.0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@azure/mcp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.0-beta.1"
            },
            {
              "fixed": "2.0.0-beta.17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "msmcp-azure"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.0b14"
            },
            {
              "fixed": "2.0.0b17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "@azure/mcp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.0.0"
            },
            {
              "fixed": "1.0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-26118"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-11T19:59:54Z",
    "nvd_published_at": "2026-03-10T18:18:41Z",
    "severity": "HIGH"
  },
  "details": "Server-Side Request Forgery (SSRF) in Azure MCP Server allows an authorized attacker to elevate privileges over a network.",
  "id": "GHSA-hhfx-wfvq-7g9c",
  "modified": "2026-03-12T19:53:06Z",
  "published": "2026-03-10T18:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26118"
    },
    {
      "type": "WEB",
      "url": "https://github.com/microsoft/mcp/commit/804ff60293206c4d8e832f772097238561bf2c34"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/microsoft/mcp"
    },
    {
      "type": "WEB",
      "url": "https://github.com/microsoft/mcp/releases/tag/Azure.Mcp.Server-1.0.2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/microsoft/mcp/releases/tag/Azure.Mcp.Server-2.0.0-beta.17"
    },
    {
      "type": "WEB",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26118"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Azure MCP Server has Server-Side Request Forgery issue that allows authorized attacker to elevate privileges over a network"
}


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