{"id":"EUVD-2026-1179","revision":"b7d61e95d50445aa914905a406c34104","records":[{"revision":"b7d61e95d50445aa914905a406c34104","observedAt":"2026-11-01T01:20:15.358+00:00","statement":{"source":"euvd","id":"EUVD-2026-1179","aliases":["CVE-2025-9611","GHSA-6fg3-hvw7-2fwq"],"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":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","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","score":7.2,"severity":null}],"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://euvd.enisa.europa.eu/vulnerability/EUVD-2026-1179","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jan 7, 2026, 4:24:13 AM","dateUpdated":"Oct 8, 2026, 3:21:40 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-1179","identifiers":["EUVD-2026-1179","CVE-2025-9611","GHSA-6fg3-hvw7-2fwq"]},"retained":false,"historicalAffected":[]}],"coverage":[]}