CVE-2026-27824

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, the calibre Content Server's brute-force protection mechanism uses a ban key derived from both remoteaddr and the X-Forwarded-For header. Since the X-Forwarded-For header i...

CVE-2026-27810

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, an HTTP Response Header Injection vulnerability in the calibre Content Server allows any authenticated user to inject arbitrary HTTP headers into server responses via an...

SUSE CVE-2026-26065

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Versions 9.2.1 and below are vulnerable to Path Traversal through PDB readers both 132-byte and 202-byte header variants that allow arbitrary file writes with arbitrary extension and arbitrary...