CVE-2026-18825

An Origin Validation Error in the middleware of the connect-xcors npm package allows an attacker to bypass origin verification and perform a cross domain authenticated request.

CVSS

No CVSS.

References

Link	Resource
https://www.thalesgroup.com/en/search/cybersecurity/cybersecurity-services/cve-2026-18825

Configurations

No configuration.

History

30 Sep 2026, 21:17

Type	Values Removed	Values Added
References	~~{'url': 'https://cds.thalesgroup.com/en/tcs-cert/CVE-2026-18825', 'source': '64c5ae8f-7972-4697-86a0-7ada793ac795'}~~	() https://www.thalesgroup.com/en/search/cybersecurity/cybersecurity-services/cve-2026-18825 -

28 Sep 2026, 13:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-28 13:17

Updated : 2026-09-30 21:17

NVD link : CVE-2026-18825

Mitre link : CVE-2026-18825

CVE.ORG link : CVE-2026-18825

JSON object : View

Products Affected

No product.

CWE

CWE-346

Origin Validation Error

{"id": "CVE-2026-18825", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18825", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-28T13:02:07.195221Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "64c5ae8f-7972-4697-86a0-7ada793ac795", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "64c5ae8f-7972-4697-86a0-7ada793ac795", "affectedData": [{"repo": "https://github.com/antono/connect-cors", "vendor": "github.com/antono", "product": "connect-cors", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "0.5.6"}], "packageName": "connect-xcors", "collectionURL": "https://registry.npmjs.org", "defaultStatus": "unknown"}]}], "published": "2026-09-28T13:17:21.680", "references": [{"url": "https://www.thalesgroup.com/en/search/cybersecurity/cybersecurity-services/cve-2026-18825", "source": "64c5ae8f-7972-4697-86a0-7ada793ac795"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "64c5ae8f-7972-4697-86a0-7ada793ac795", "description": [{"lang": "en", "value": "CWE-346"}]}], "descriptions": [{"lang": "en", "value": "An Origin Validation Error in the middleware of the connect-xcors npm package allows an attacker to bypass origin verification and perform a cross domain authenticated request."}], "lastModified": "2026-09-30T21:17:10.007", "sourceIdentifier": "64c5ae8f-7972-4697-86a0-7ada793ac795"}

CVE-2026-18825

JSON object

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