What is CVE-2026-34392?

CVE-2026-34392 is a high-severity vulnerability in Aces Loris, classified under Files or Directories Accessible to External Parties. CVSS score: 7.5/10. Published 2026-04-08.

How severe is CVE-2026-34392?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Aces Loris

CVE-2026-34392

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 all…

EPSS: 0.000 (14.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Aces Loris — versions >= 20.0.0, < 27.0.3, >= 28.0.0, < 28.0.1

Weakness classification (CWE)

CWE-552 — Files or Directories Accessible to External Parties

References

https://github.com/aces/Loris/security/advisories/GHSA-rfj5-58hv-wc5f (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-34392?: CVE-2026-34392 is a high-severity vulnerability in Aces Loris, classified under Files or Directories Accessible to External Parties. CVSS score: 7.5/10. Published 2026-04-08.
How severe is CVE-2026-34392?: High severity. CVSS v3 base score is 7.5 out of 10.