giuspen CherryTree up to 1.7.2 Custom Web Link Clicked Action CtActions::link_clicked os command injection

Summaryinfo

A vulnerability has been found in giuspen CherryTree up to 1.7.2 and classified as problematic. Impacted is the function CtActions::link_clicked of the component Custom Web Link Clicked Action. Performing a manipulation results in os command injection. This vulnerability is known as CVE-2026-118692. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability was found in giuspen CherryTree up to 1.7.2. It has been classified as problematic. This affects the function CtActions::link_clicked of the component Custom Web Link Clicked Action. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-118692 since 10/28/2026. The exploitability is told to be easy. Attacking locally is a requirement. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

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

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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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