Description
LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 20.0.0 to before 27.0.3 and 28.0.1, a bug in the static file router can allow an attacker to traverse outside of the intended directory, allowing unintended files to be downloaded through the static, css, and js endpoints. This vulnerability is fixed in 27.0.3 and 28.0.1.
Scores
CVSS v3
7.5
EPSS
0.0004
EPSS Percentile
12.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-552
Status
published
Products (4)
aces/Loris
>= 20.0.0, < 27.0.3
aces/Loris
>= 28.0.0, < 28.0.1
mcgill/loris
28.0.0
mcgill/loris
20.0.0 - 27.0.3
Published
Apr 08, 2026
Tracked Since
Apr 09, 2026