{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6903", "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c", "state": "PUBLISHED", "assignerShortName": "NCSC.ch", "dateReserved": "2026-04-23T09:44:28.397Z", "datePublished": "2026-04-23T09:45:06.146Z", "dateUpdated": "2026-04-23T12:06:00.172Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "455daabc-a392-441d-aa46-37d35189897c", "shortName": "NCSC.ch", "dateUpdated": "2026-04-23T09:45:06.146Z"}, "title": "Path Traversal Vulnerability in LabOne User Interface", "datePublic": "2026-04-22T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-346", "description": "CWE-346 Origin Validation Error", "type": "CWE"}]}], "affected": [{"vendor": "Zurich Instruments", "product": "LabOne", "versions": [{"status": "affected", "version": "0", "lessThan": "26.01.3.9", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The LabOne Web Server, backing the LabOne User Interface, contains insufficient input validation in its file access functionality. An unauthenticated attacker could exploit this vulnerability to read arbitrary files on the host system that are accessible to the operating system user running the LabOne software.\n\nAdditionally, the Web Server does not sufficiently restrict cross-origin requests, which could allow a remote attacker to trigger file access from a victim's browser by directing the victim to a malicious website.\n\nThe vulnerability is only exploitable when the LabOne Web Server is running. Installations using only the LabOne APIs without starting the Web Server are not exposed.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>The LabOne Web Server, backing the LabOne User Interface, contains insufficient input validation in its file access functionality. 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Where practical, dedicate the LabOne host to instrument control only and avoid general-purpose web browsing on it.</p><p>Additional risk reduction: For systems that cannot be upgraded, avoiding the storage of credentials, personal data, or sensitive research data on the LabOne host reduces the impact of a successful exploit.</p>"}]}], "solutions": [{"lang": "en", "value": "Update to LabOne 26.01.3.9 or later. The update can be applied directly through the LabOne software, or downloaded from the Zurich Instruments Download Center at https://www.zhinst.com/support/download-center.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Update to LabOne 26.01.3.9 or later. 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{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6903", "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c", "state": "PUBLISHED", "assignerShortName": "NCSC.ch", "dateReserved": "2026-04-23T09:44:28.397Z", "datePublished": "2026-04-23T09:45:06.146Z", "dateUpdated": "2026-04-23T12:06:00.172Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "455daabc-a392-441d-aa46-37d35189897c", "shortName": "NCSC.ch", "dateUpdated": "2026-04-23T09:45:06.146Z"}, "title": "Path Traversal Vulnerability in LabOne User Interface", "datePublic": "2026-04-22T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-346", "description": "CWE-346 Origin Validation Error", "type": "CWE"}]}], "affected": [{"vendor": "Zurich Instruments", "product": "LabOne", "versions": [{"status": "affected", "version": "0", "lessThan": "26.01.3.9", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The LabOne Web Server, backing the LabOne User Interface, contains insufficient input validation in its file access functionality. An unauthenticated attacker could exploit this vulnerability to read arbitrary files on the host system that are accessible to the operating system user running the LabOne software.\n\nAdditionally, the Web Server does not sufficiently restrict cross-origin requests, which could allow a remote attacker to trigger file access from a victim's browser by directing the victim to a malicious website.\n\nThe vulnerability is only exploitable when the LabOne Web Server is running. Installations using only the LabOne APIs without starting the Web Server are not exposed.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>The LabOne Web Server, backing the LabOne User Interface, contains insufficient input validation in its file access functionality. 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