CVE-2026-102878
HIGHCVSS 8.1Description
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.
Timeline
Published:September 29th, 2026 8:17 PM
Last modified:September 30th, 2026 5:32 PM
CVSS Scoring
CVSS v3: 8.1 (HIGH)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- https://github.com/hangwin/mcp-chrome
- https://github.com/hangwin/mcp-chrome/blob/v1.0.0/app/native-server/src/server/index.ts
- https://github.com/hangwin/mcp-chrome/issues/384
- https://www.vulncheck.com/advisories/mcp-chrome-bridge-through-1.0.31-cors-origin-bypass
- https://github.com/hangwin/mcp-chrome/issues/384
Source: NIST NVD · Data may lag official sources by up to one minute