crivion Laranode up to 1.2.0 /filemanager/upload-file path path traversal

Summaryinfo

A vulnerability, which was classified as critical, has been found in crivion Laranode up to 1.2.0. This affects an unknown function of the file /filemanager/upload-file. The manipulation of the argument path leads to path traversal. This vulnerability is referenced as CVE-2026-100520. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in crivion Laranode up to 1.2.0 and classified as critical. This issue affects an unknown functionality of the file /filemanager/upload-file. The manipulation of the argument path with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Laranode versions before 1.2.1 contain a path traversal vulnerability in the POST /filemanager/upload-file endpoint that allows authenticated users to write arbitrary files outside their home directory. Attackers can supply directory traversal sequences in the path parameter to write PHP files into other tenants' web roots and execute code as those tenants.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-100520 since 09/26/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading to version 1.2.1 eliminates this vulnerability.

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Productinfo

Vendor

• crivion

Name

• Laranode

Version

• 1.0
• 1.1
• 1.2.0

Website

• Product: https://github.com/crivion/laranode/

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