CVE-2026-110637

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.

CVSS 4.0

8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-25)

CWE

CWE-78

Published

2026-10-14

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

References

• https://github.com/wastemobile/buildebooks
• https://github.com/wastemobile/buildebooks/blob/7fc313485447d9359fb38fda3cbc2ed60ce69fe7/lib/kindle.js#L5-L12
• https://github.com/wastemobile/buildebooks/commit/123776c9ef61e8075ada2f7da2f7046f6a8078d9
• https://github.com/wastemobile/buildebooks/pull/12
• https://www.vulncheck.com/advisories/buildebooks-before-0.2.2-os-command-injection-via-kindlegen-epub-file-name

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