Is CVE-2026-39985 actively exploited?

CVE-2026-39985 has no public evidence of in-the-wild exploitation as of 2026-04-22.

What is the CVSS score for CVE-2026-39985?

CVE-2026-39985 has a CVSS score of 4.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

How do I patch CVE-2026-39985?

Patch guidance is available from mcgill security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-39985.

Which products are affected by CVE-2026-39985?

2 products: mcgill loris, mcgill loris.

CVE-2026-39985 - 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. Prior to 27.0.3 and 28.0.1, the redirect parameter upon login to LORIS was not validating the value of the redirect as being within LORIS, which could be used to trick users into visiting arbitrary URLs if they are given a link with a third party redirect parameter. This vulnerability is fixed in 27.0.3 and 28.0.1.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none
Weaknesses: CWE-601

Metadata

Primary Vendor: MCGILL
Published: 4/9/2026
Last Modified: 4/22/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-39985

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary