{"schema_version":"1","data":[{"id":4009,"advisory_id":"104fc28a-d158-4255-9890-845e25ce3006","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102878","source_published_at":"2026-09-29T20:01:07.61+00:00","published_at":"2026-10-24T21:44:53.68594+00:00","extraction_method":"structured","technologies":["core-cve","mcp-chrome-bridge"],"cve_ids":["CVE-2026-102878"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"mcp-chrome-bridge through 1.0.31 CORS Origin Bypass","summary":"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.","evidence":"cve:CVE-2026-102878","products":[{"name":{"value":"mcp-chrome-bridge","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"high","structured":{"id":"CVE-2026-102878","aliases":["CVE-2026-102878"],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","baseScore":8.6,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"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","userInteraction":"PASSIVE","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","subIntegrityImpact":"NONE","vulnIntegrityImpact":"HIGH","subAvailabilityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","vulnConfidentialityImpact":"HIGH"}},{"format":"CVSS","cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.1,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}}],"affected":[{"vendor":"hangwin","product":"mcp-chrome-bridge","versions":[{"status":"affected","version":"0","versionType":"custom","lessThanOrEqual":"1.0.31"}],"packageURL":"pkg:npm/mcp-chrome-bridge","defaultStatus":"unaffected"}],"modified":"2026-09-29T20:19:14.663Z","provider":"cve","references":["https://github.com/hangwin/mcp-chrome/issues/384","https://github.com/hangwin/mcp-chrome/blob/v1.0.0/app/native-server/src/server/index.ts","https://github.com/hangwin/mcp-chrome","https://www.vulncheck.com/advisories/mcp-chrome-bridge-through-1.0.31-cors-origin-bypass"],"provider_metadata":{"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-102878","role":"CISA Coordinator","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-09-29T20:18:47.075987Z"}}}],"references":[{"url":"https://github.com/hangwin/mcp-chrome/issues/384","tags":["exploit"]}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-29T20:19:14.663Z"}}],"cna":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-29T20:01:07.610Z"}}},"related_cves":[{"value":"CVE-2026-102878","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"}}],"next_after":4009,"next_before":4009}