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.
Published: 2026-09-29
Score: 8.6 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Tue, 29 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 29 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
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.
Title mcp-chrome-bridge through 1.0.31 CORS Origin Bypass
Weaknesses CWE-346
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-29T20:19:14.663Z

Reserved: 2026-09-29T17:33:19.455Z

Link: CVE-2026-102878

cve-icon Vulnrichment

Updated: 2026-09-29T20:19:07.617Z

cve-icon NVD

Status : Received

Published: 2026-09-29T20:17:18.620

Modified: 2026-09-29T21:17:18.297

Link: CVE-2026-102878

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses