MajorCritical vulnerability

CVE-2026-102878 (CVSS 8.6)

NVD · officialPublished Sep 29, 2026Risk 37/100

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.

Technical details

CVSS

8.6

AV:NetworkAC:LowPR:NoneUI:Passive

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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