CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.8. Public exploit code or proof-of-concept references have been detected in its references.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
arbitrary code execution code execution
GitHub PoC Links
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2026-25731
Severity
HIGH
CVSS
7.8
EPSS
0.24%
Original NVD 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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)