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CVE-2026-102878 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/hangwin/mcp-chrome/issues/384	CISA-ADP	ExploitIssue TrackingTechnical DescriptionVendor
https://github.com/hangwin/mcp-chrome	[email protected]	ProductSource CodeVendor
https://github.com/hangwin/mcp-chrome/blob/v1.0.0/app/native-server/src/server/index.ts	[email protected]	Source CodeVendor
https://github.com/hangwin/mcp-chrome/issues/384	[email protected]	ExploitIssue TrackingTechnical DescriptionVendor
https://www.vulncheck.com/advisories/mcp-chrome-bridge-through-1.0.31-cors-origin-bypass	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-346	Origin Validation Error	[email protected]

Affected Products

Product	Versions
hangwin mcp-chrome-bridge	<= 1.0.31 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 29, 2026	CVE Modified	CISA-ADP
Sep 29, 2026	New CVE Received	[email protected]