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CVE PROGRAM SOURCE RECORD4.8 Medium

CVE-2026-33205

calibre has Server-Side Request Forgery in ebook viewer backend

Description

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.6.0, a Server-Side Request Forgery vulnerability in the background-image endpoint of calibre e-book reader's web view allows an attacker to perform blind GET requests to arbitrary URLs and exfiltrate information out from the ebook sandbox. Version 9.6.0 patches the issue.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

kovidgoyal calibre

  • < 9.6.0affected

References