Is CVE-2026-39985 actively exploited?

No active exploitation of CVE-2026-39985 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-39985 be exploited remotely?

Yes. CVE-2026-39985 is exploitable remotely over the network (CVSS attack vector: Network).

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

CVE-2026-39985 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2026-39985

CWE-601Published: April 9, 2026· Updated: Apr 13, 2026

4.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.5th

Official 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.

NVD Source

Technical Analysis

CVE-2026-39985 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.