What is CVE-2026-26985?

CVE-2026-26985 is a high-severity vulnerability in Aces Loris, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-02-25.

How severe is CVE-2026-26985?

High severity. CVSS v3 base score is 8.1 out of 10.

Path Traversal in Aces Loris

CVE-2026-26985

LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. Starting in version 24.0.0 and prior to versions 26.0.5, 27.0.2, and 28.0.0, an…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (16.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Aces Loris — versions >= 24.0.0, < 26.0.5, >= 27.0.0, < 27.0.2

Weakness classification (CWE)

CWE-22 — Path Traversal

References

https://github.com/aces/Loris/security/advisories/GHSA-g3pp-rqvq-xxhp (x_refsource_CONFIRM)
https://github.com/aces/Loris/releases/tag/v26.0.5 (x_refsource_MISC)
https://github.com/aces/Loris/releases/tag/v27.0.2 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-26985?: CVE-2026-26985 is a high-severity vulnerability in Aces Loris, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-02-25.
How severe is CVE-2026-26985?: High severity. CVSS v3 base score is 8.1 out of 10.