{"id":"CVE-2026-26118","aliases":["PYSEC-2026-2669"],"url":"https://o3.security/vulnerability/CVE-2026-26118","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.","published":"2026-03-10T18:31:21Z","modified":"2026-09-10T03:50:39.818542295Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"@azure/mcp","fixedVersion":"2.0.0-beta.17"},{"ecosystem":"npm","name":"@azure/mcp","fixedVersion":"1.0.2"},{"ecosystem":"NuGet","name":"Azure.Mcp","fixedVersion":"2.0.0-beta.17"},{"ecosystem":"NuGet","name":"Azure.Mcp","fixedVersion":"1.0.2"},{"ecosystem":"PyPI","name":"msmcp-azure","fixedVersion":"2.0.0b17"}],"fix":{"url":"https://github.com/microsoft/mcp/commit/804ff60293206c4d8e832f772097238561bf2c34","label":"microsoft/mcp@804ff60"},"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:50:39.818542295Z"}}