CVE-2021-4171: Janeczku Calibre-Web

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

calibre-web is vulnerable to Business Logic Errors

Affected products

• Janeczku Calibre-Web: before 0.6.15 (fixed in 0.6.15)

Published 2022-01-17. Last modified 2026-06-17.