CVE-2026-34392 | THREATINT

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.

PUBLISHED Reserved 2026-03-27 | Published 2026-04-08 | Updated 2026-04-09 | Assigner GitHub_M

HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem types

CWE-552: Files or Directories Accessible to External Parties

Product status

>= 20.0.0, < 27.0.3

affected

>= 28.0.0, < 28.0.1

affected

References

github.com/.../Loris/security/advisories/GHSA-rfj5-58hv-wc5f

cve.org (CVE-2026-34392)

nvd.nist.gov (CVE-2026-34392)

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