CVE-2026-35446: LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research…

PriorityP347high8.6CVSS 3.1

AVNACLPRNUINSCCHINAN

EPSS

0.23%

13.8th percentile

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
aces	loris	—	—
aces	loris	—	—
mcgill	loris	—	—
mcgill	loris	24.0.0 – 27.0.2	—

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