{"id":"CVE-2026-102878","published":"2026-09-29T20:17:18.620","lastModified":"2026-09-29T21:17:18.297","description":"mcp-chrome-bridge through 1.0.31 contains an origin validation error in the native-server HTTP API that allows attackers to bypass CORS restrictions. Attackers can craft malicious web pages that make cross-origin requests to the local server and invoke browser automation tools including script execution, page content reading, and screenshot capture.","cvssScore":8.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","cwes":["CWE-346"],"vendors":[],"products":[],"references":[{"url":"https://github.com/hangwin/mcp-chrome","tags":[]},{"url":"https://github.com/hangwin/mcp-chrome/blob/v1.0.0/app/native-server/src/server/index.ts","tags":[]},{"url":"https://github.com/hangwin/mcp-chrome/issues/384","tags":[]},{"url":"https://www.vulncheck.com/advisories/mcp-chrome-bridge-through-1.0.31-cors-origin-bypass","tags":[]},{"url":"https://github.com/hangwin/mcp-chrome/issues/384","tags":[]}],"exploitRefs":[{"url":"https://github.com/hangwin/mcp-chrome","tags":[]},{"url":"https://github.com/hangwin/mcp-chrome/blob/v1.0.0/app/native-server/src/server/index.ts","tags":[]},{"url":"https://github.com/hangwin/mcp-chrome/issues/384","tags":[]},{"url":"https://github.com/hangwin/mcp-chrome/issues/384","tags":[]}],"hasPoc":true,"ai":null}