High 8.1Published Sep 29, 2026

CVE-2026-102878mcp-chrome-bridge through 1.0.31 CORS Origin Bypass

Updated under an hour ago (2026-10-19 08:23 UTC)

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It affects hangwin mcp-chrome-bridge. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.24%, higher than 13% of scored CVEs.

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Every CVE for hangwin mcp-chrome-bridge

Exploited in the last 30 days

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.

CVSS: 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-346
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.24% (percentile 13)
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Sep 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

hangwin mcp-chrome-bridge hangwin:mcp_chrome_bridge (from the name)	through 1.0.31	CNA record

References

https://github.com/hangwin/mcp-chrome/issues/384issue-tracking
https://github.com/hangwin/mcp-chrome/blob/v1.0.0/app/native-server/src/server/index.tstechnical-description
https://github.com/hangwin/mcp-chromeproduct
https://www.vulncheck.com/advisories/mcp-chrome-bridge-through-1.0.31-cors-origin-bypassthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.