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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-25731

Calibre Affected by Arbitrary Code Execution via Server-Side Template Injection in Calibre HTML Export

Description

calibre is an e-book manager. Prior to 9.2.0, a Server-Side Template Injection (SSTI) vulnerability in Calibre's Templite templating engine allows arbitrary code execution when a user converts an ebook using a malicious custom template file via the --template-html or --template-html-index command-line options. This vulnerability is fixed in 9.2.0.

Affected products

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

kovidgoyal calibre

  • < 9.2.0affected

References