CVE-2026-110637 buildebooks before 0.2.2 OS Command Injection via kindlegen EPUB File Name
Attackers can execute arbitrary OS commands by crafting malicious EPUB filenames in buildebooks projects with Kindle generation enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-110637?
CVE-2026-110637 is a high-severity command injection vulnerability in wastemobile buildebooks, published on 14 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2026-110637?
How do I fix CVE-2026-110637?
No fix has been published for CVE-2026-110637 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-110637 being exploited?
There is no known exploitation of CVE-2026-110637 in the wild and no public exploit code.
Sources
Also known as GHSA-xq9r-4xcp-j7fm.