CVE-2026-25731

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...

CVE-2026-25635 calibre has a Path Traversal Leading to Arbitrary File Write and Potential Code Execution

calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows haven't tested on other OS's, this can lead to Remote Code Execution by writing a payload to the Startup...

CVE-2026-25636 calibre has a Path Traversal Leading to Arbitrary File Corruption and Code Execution

calibre is an e-book manager. In 9.1.0 and earlier, a path traversal vulnerability in Calibre's EPUB conversion allows a malicious EPUB file to corrupt arbitrary existing files writable by the Calibre process. During conversion, Calibre resolves CipherReference URI from META-INF/encryption.xml to...