Is CVE-2026-34985 actively exploited?

CVE-2026-34985 has no public evidence of in-the-wild exploitation as of 2026-04-21.

What is the CVSS score for CVE-2026-34985?

CVE-2026-34985 has a CVSS score of 6.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

How do I patch CVE-2026-34985?

Patch guidance is available from mcgill security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-34985.

Which products are affected by CVE-2026-34985?

2 products: mcgill loris, mcgill loris.

CVE-2026-34985 - remediation guidance & executive summary

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: low
Weaknesses: CWE-639

Metadata

Primary Vendor: MCGILL
Published: 4/8/2026
Last Modified: 4/21/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mcgill : lorismcgill : loris

Remediation Guidance

Executive Summary

Cite this page

CVE-2026-34985. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2026-34985

View on NIST NVD

CVE-2026-34985 vulnerability