giuspen CherryTree up to 1.7.2 XML Helper _create_image_from_xml filename path traversal

Summaryinfo

A vulnerability, which was classified as problematic, has been found in giuspen CherryTree up to 1.7.2. This vulnerability affects the function CtStorageXmlHelper::_create_image_from_xml of the component XML Helper. This manipulation of the argument filename causes path traversal. This vulnerability appears as CVE-2026-118693. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability has been found in giuspen CherryTree up to 1.7.2 and classified as problematic. Affected by this vulnerability is the function CtStorageXmlHelper::_create_image_from_xml of the component XML Helper. The manipulation of the argument filename with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. The summary by CVE is:

CherryTree through 1.7.2 contains a path traversal vulnerability in CtStorageXmlHelper::_create_image_from_xml that trusts unvalidated embedded-file 'filename' attributes in XML documents. Attackers can craft a .ctd, .ctz, or .ctx document with an absolute or ~/ filename and no data, so saving embeds files like ~/.ssh/id_rsa into the document.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-118693 since 10/28/2026. The exploitation appears to be easy. An attack has to be approached locally. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• giuspen

Name

• CherryTree

Version

• 1.7.0
• 1.7.1
• 1.7.2

Website

• Product: https://github.com/giuspen/cherrytree/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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