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CVE-2026-6903 Detail

Description

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. Additionally, 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. The 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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Switzerland Government Common Vulnerability Program
CVSS-B 8.7 HIGH
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://www.zhinst.com/support/download-center/ Switzerland Government Common Vulnerability Program
https://www.zhinst.com/support/security/2026/zi-sa-2026-001/ Switzerland Government Common Vulnerability Program

Weakness Enumeration

CWE-ID CWE Name Source
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Switzerland Government Common Vulnerability Program  
CWE-346 Origin Validation Error Switzerland Government Common Vulnerability Program  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-6903
NVD Published Date:
04/23/2026
NVD Last Modified:
04/23/2026
Source:
Switzerland Government Common Vulnerability Program