CVE-2026-39985CWE-601

LORIS has an open redirect field on login

Medium · published April 9, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
27.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00348 · 27.2th percentile
Weakness
CWE-601 · URL Redirection to Untrusted Site ('Open Redirect')
Published
2026-04-09T17:08Z
EPSS history
Timeline
  • 09 APR 17:08Z
    LORIS has an open redirect field on login
    cvelistv5