CVE-2023-46303: Calibre-Ebook Calibre

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

link_to_local_path in ebooks/conversion/plugins/html_input.py in calibre before 6.19.0 can, by default, add resources outside of the document root.

Affected products

• Calibre-Ebook Calibre: before 6.19.0 (fixed in 6.19.0)

Published 2023-10-22. Last modified 2026-06-17.