๐Ÿ” CVE Alert

CVE-2026-33205

UNKNOWN 0.0

calibre has Server-Side Request Forgery in ebook viewer backend

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-918
Vendor kovidgoyal
Product calibre
Published Mar 27, 2026
Last Updated Mar 27, 2026
Stay Ahead of the Next One

Get instant alerts for kovidgoyal calibre

Be the first to know when new unknown vulnerabilities affecting kovidgoyal calibre are published โ€” delivered to Slack, Telegram or Discord.

Get Free Alerts โ†’ Free ยท No credit card ยท 60 sec setup

Affected Versions

kovidgoyal / calibre
< 9.6.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/kovidgoyal/calibre/security/advisories/GHSA-4926-v9px-wv7v