CVE-2026-34985: LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research…

PriorityP340medium6.5CVSS 3.1

AVNACLPRLUINSUCHINAN

EPSS

0.23%

13.2th percentile

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
aces	loris	—	—
aces	loris	—	—
mcgill	loris	—	—
mcgill	loris	16.1.0 – 27.0.2	—

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.