CVE-2026-33205 — calibre has Server-Side Request Forgery in ebook viewer backend

CVE-2026-33205

calibre has Server-Side Request Forgery in ebook viewer backend PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
kovidgoyal / calibre	affected < 9.6.0

CWE

CWE-918

References

https://github.com/kovidgoyal/calibre/security/advisories/GHSA-4926-v9px-wv7v

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.