CVE-2026-25731 — Calibre Affected by Arbitrary Code Execution via Server-Side Template Injection in Calibre HTML Export
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 …
Published: 2026-02-06 · CVSS: 7.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7