CVE-2026-49009

Deferred Deferred - Pending Action

Directory Traversal in Mender Server

Publication date: 2026-05-27

Last updated on: 2026-06-01

Assigner: MITRE

Description

Northern.tech Mender Server v4.1.0, v4.0.1 and below, and fixed in v4.1.1 and v4.0.2 allows Directory Traversal.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-05-27

Last Modified

2026-06-01

Generated

2026-07-07

AI Q&A

2026-05-28

EPSS Evaluated

2026-07-05

NVD

CVE-2026-49009

Affected Vendors & Products

Vendor	Product	Version / Range
northerntech	mender_server	to 4.1.1 (exc)
northerntech	mender_server	to 4.0.1 (inc)
northerntech	mender_server	to 4.0.2 (inc)
northern.tech	mender_server	to 4.1.1 (exc)
northern.tech	mender_server	to 4.0.1 (inc)
northern.tech	mender_server	4.1.1
northern.tech	mender_server	4.0.2

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-22	The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

Executive Summary

This vulnerability is a Directory Traversal issue found in Northern.tech Mender Server versions 4.1.0, 4.0.1 and earlier. Directory Traversal allows an attacker to access files and directories that are stored outside the intended directory, potentially exposing sensitive information or system files.

Impact Analysis

Exploitation of this Directory Traversal vulnerability could allow an attacker to read or access files on the server that should be restricted. This could lead to unauthorized disclosure of sensitive data, compromise of system integrity, or further attacks leveraging the accessed information.

Compliance Impact

The provided information does not specify how the directory traversal vulnerability in Northern.tech Mender Server versions 4.1.0, 4.0.1 and below impacts compliance with common standards and regulations such as GDPR or HIPAA.

Mitigation Strategies

The vulnerability in Northern.tech Mender Server versions 4.1.0, 4.0.1 and below, which allows Directory Traversal, was fixed in versions 4.1.1 and 4.0.2.

To mitigate this vulnerability, you should immediately upgrade your Mender Server installation to version 4.1.1 or 4.0.2 or later.

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