CVE-2026-35446
High
Description
LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 24.0.0 to before 27.0.3 and 28.0.1, an incorrect order of operations in the FilesDownloadHandler could result in an attacker escaping the intended download directories. This vulnerability is fixed in 27.0.3 and 28.0.1.
SeverityHigh
CVSS7.7
Exploit probability—
ProductMcgill Loris
PublishedApr 8, 2026
First seenApr 8, 2026
Weakness typeCWE-552CWE-552
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mcgill loris | 24.0.0 ≤ v ≤ 27.0.2, 28.0.0 | — |
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