High severity8.1NVD Advisory· Published Sep 29, 2026· Updated Sep 29, 2026

CVE-2026-102878

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Hangwin/mcp-chromellm-create
Range: <=1.0.31

Patches

Vulnerability mechanics

References

github.com/hangwin/mcp-chrome/blob/v1.0.0/app/native-server/src/server/index.tsnvd
github.com/hangwin/mcp-chrome/issues/384nvd
www.vulncheck.com/advisories/mcp-chrome-bridge-through-1.0.31-cors-origin-bypassnvd

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