HIGHCVE-2026-25731Published Modified CNA GitHub_M
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 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.
Metrics
- CVSS v3.1
- 7.8
- Severity
- HIGH
- Fixed in
- —
- Affected Products
- 1
Affected packages
- kovidgoyal / calibre< 9.2.0
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H