CVE-2026-118692
High
Description
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.
SeverityHigh
CVSS7.0
Exploit probability—
ProductGiuspen Cherrytree
PublishedOct 28, 2026
First seenNov 4, 2026
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| giuspen cherrytree | v ≤ 1.7.2 | — |
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