{"id":"CVE-2025-9611","revision":"dbcaa85cf6d5409dbff2527a02f900e3","records":[{"revision":"dbcaa85cf6d5409dbff2527a02f900e3","observedAt":"2026-10-25T04:17:18.34+00:00","statement":{"source":"nvd","id":"CVE-2025-9611","aliases":[],"title":"Microsoft Playwright MCP Server versions prior to 0.0.40 fails to validate the Origin header on incoming connections. This allows an attacker to perform a DNS rebinding attack via a victim’s web browser and send unauthorized requests to a l…","description":"Microsoft Playwright MCP Server versions prior to 0.0.40 fails to validate the Origin header on incoming connections. This allows an attacker to perform a DNS rebinding attack via a victim’s web browser and send unauthorized requests to a locally running MCP server, resulting in unintended invocation of MCP tool endpoints.","state":0,"publishedAt":"2026-01-07T12:17:06.697+00:00","modifiedAt":"2026-10-08T16:16:54.92+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":7.2,"severity":"HIGH"}],"references":["https://github.com/JLLeitschuh/security-research/security/advisories/GHSA-8rgw-6xp9-2fg3","https://github.com/microsoft/playwright/commit/1313fbd","https://www.vulncheck.com/advisories/microsoft-playwright-mcp-server-dns-rebinding-via-missing-origin-header-validation"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-9611","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-749"],"productCriteria":[],"sourceDates":{"published":"2026-01-07T12:17:06.697","lastModified":"2026-10-08T16:16:54.920"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2025-9611","identifiers":["CVE-2025-9611"]},"retained":false,"historicalAffected":[]}],"coverage":[]}