{"api_version":"1","generated_at":"2026-08-22T00:55:53+00:00","cve":"CVE-2026-62316","urls":{"html":"https://cve.report/CVE-2026-62316","api":"https://cve.report/api/cve/CVE-2026-62316.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-62316","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-62316"},"summary":{"title":"Microsoft UFO: DNS Rebinding → Unauthenticated File Read / Command Execution","description":"Microsoft UFO open-source framework for intelligent automation across devices and platforms. Prior to 3.0.8, ufo/client/mcp/http_servers/linux_mcp_server.py binds a FastMCP streamable HTTP server to localhost:8010 but does not validate the Host, Origin, or Sec-Fetch-Site headers. An attacker-controlled web page can use DNS rebinding to reach the local /mcp endpoint, enumerate tool schemas through tools/list, and invoke execute_command with a valid UFO_MCP_API_KEY to read files or execute allowed operating system commands as the victim's user. 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This issue is fixed in version 3.0.8."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-21T20:17:21.272Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/microsoft/UFO/security/advisories/GHSA-vf4c-mf32-gf2h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/microsoft/UFO/security/advisories/GHSA-vf4c-mf32-gf2h"},{"name":"https://github.com/microsoft/UFO/commit/3851c5d4e17c2865c56a94a6530692bf6e7a9b02","tags":["x_refsource_MISC"],"url":"https://github.com/microsoft/UFO/commit/3851c5d4e17c2865c56a94a6530692bf6e7a9b02"},{"name":"https://github.com/microsoft/UFO/releases/tag/v3.0.8","tags":["x_refsource_MISC"],"url":"https://github.com/microsoft/UFO/releases/tag/v3.0.8"}],"source":{"advisory":"GHSA-vf4c-mf32-gf2h","discovery":"UNKNOWN"},"title":"Microsoft UFO: DNS Rebinding → Unauthenticated File Read / Command Execution"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-62316","datePublished":"2026-08-21T20:17:21.272Z","dateReserved":"2026-07-13T19:27:58.314Z","dateUpdated":"2026-08-21T20:17:21.272Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-21 21:17:01","lastModifiedDate":"2026-08-21 21:17:01","problem_types":["CWE-200","CWE-346","CWE-200 CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","CWE-346 CWE-346: Origin Validation Error"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"62316","Ordinal":"1","Title":"Microsoft UFO: DNS Rebinding → Unauthenticated File Read / Comma","CVE":"CVE-2026-62316","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"62316","Ordinal":"1","NoteData":"Microsoft UFO open-source framework for intelligent automation across devices and platforms. Prior to 3.0.8, ufo/client/mcp/http_servers/linux_mcp_server.py binds a FastMCP streamable HTTP server to localhost:8010 but does not validate the Host, Origin, or Sec-Fetch-Site headers. An attacker-controlled web page can use DNS rebinding to reach the local /mcp endpoint, enumerate tool schemas through tools/list, and invoke execute_command with a valid UFO_MCP_API_KEY to read files or execute allowed operating system commands as the victim's user. This issue is fixed in version 3.0.8.","Type":"Description","Title":"Microsoft UFO: DNS Rebinding → Unauthenticated File Read / Comma"}]}}}