CVE-2026-35446

HIGH EPSS 13.8%
Published Apr 8, 20262mo ago · Modified Jun 17, 20261w ago
8.6 CVSS 3.1
High
Find Similar
Published Apr 8, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. From 24.0.0 to before 27.0.3 and 28.0.1, an incorrect order of operations in the FilesDownloadHandler could result in an attacker escaping the intended download directories. This vulnerability is fixed in 27.0.3 and 28.0.1.

CVSS Details

Base Score
8.6
Exploitability
3.9
Impact
4.0
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
13.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-552

Affected Products 2

VendorProductVersionRange
mcgillloris*≥24.0.0  –  ≤27.0.2
mcgillloris28.0.0any

References 1

  • github.com https://github.com/aces/Loris/security/advisories/GHSA-47jj-7xfg-8759
    PatchVendor Advisory

Remediation

  • github.com https://github.com/aces/Loris/security/advisories/GHSA-47jj-7xfg-8759
    PatchVendor Advisory