CVE-2026-118692
CVE-2026-118692
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.
Vulnerability class: Command Injection (OS Command Injection)
Published .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- github.com/giuspen/cherrytree/issues/2945 (issue-tracking)
- github.com/giuspen/cherrytree (product)
- github.com/giuspen/cherrytree/blob/v1.7.2/src/ct/ct_actions_others.cc (technical-description)
- github.com/giuspen/cherrytree/blob/v1.7.2/src/ct/ct_misc_utils.cc (technical-description)
- www.vulncheck.com/advisories/cherrytree-through-1.7.2-os-command-injection-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-118692?
- CVE-2026-118692 is a high-severity vulnerability, classified under OS Command Injection. CVSS score: 7.0/10. Published 2026-10-28.
- How severe is CVE-2026-118692?
- High severity. CVSS v3 base score is 7.0 out of 10.