CVE-2026-25731
Last modified
CVE-2026-25731 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Calibre-Ebook | Calibre | < 9.2.0 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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