PatchTheCVEcalibre vulnerabilities and fixes
Recent CVEs affecting calibre, with upgrade or downgrade steps. 2 tracked.
calibre has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-03-27. Highest priority: CVE-2026-33206 (score 30/100).
- CVE-2026-33206 MEDIUM 6.3 UPGRADE calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books
- CVE-2026-33205 MEDIUM 5.5 UPGRADE calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books
FAQ
How do I fix calibre vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is calibre being exploited right now?
None of the tracked calibre CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which calibre CVE should I patch first?
CVE-2026-33206 currently ranks highest (30/100): calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books.