LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 16.1.0 to before 27.0.3 and 28.0.1, While the frontend of the media module filters files that the user should not have access to, the backend was not applying access checks and it would be possible for someone who should not have access to a file to access it if they know the filename. This vulnerability is fixed in 27.0.3 and 28.0.1.

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Fixes

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History

Wed, 08 Apr 2026 19:00:00 +0000

Type Values Removed Values Added
Description LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 16.1.0 to before 27.0.3 and 28.0.1, While the frontend of the media module filters files that the user should not have access to, the backend was not applying access checks and it would be possible for someone who should not have access to a file to access it if they know the filename. This vulnerability is fixed in 27.0.3 and 28.0.1.
Title LORIS has incorrect access checks in media module
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-08T18:22:09.927Z

Reserved: 2026-03-31T19:38:31.617Z

Link: CVE-2026-34985

cve-icon Vulnrichment

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cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-08T19:25:23.157

Modified: 2026-04-08T21:26:13.410

Link: CVE-2026-34985

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses