CVE-2026-35446

LORIS has a path traversal in FilesDownloadHandler

State: Published
Severity: 7.7 High
Published: Apr 8, 2026
Updated: Apr 8, 2026
Reserved: Apr 2, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	7.7 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N	GitHub_M

Weaknesses

CWE-552 Files or Directories Accessible to External Parties

Affected Products

Product	Versions
Lorisaces	>= 24.0.0, < 27.0.3Affected >= 28.0.0, < 28.0.1Affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.