Is CVE-2026-110637 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-110637?

CVE-2026-110637 has a CVSS v3 severity of HIGH (7.8).

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CVE-2026-110637

Description

buildebooks before 0.2.2 contains an OS command injection vulnerability in lib/kindle.js that allows attackers to execute commands by supplying a crafted EPUB file name passed to kindlegen via child_process.exec. Attackers can craft a book project with a malicious front-matter filename or project folder name and kindle: true to execute OS commands as the user running buildebooks.