CVE-2026-73248

calibre is an e-book manager. Prior to 9.12.0, calibre processes attacker-controlled compositetemplate metadata from a malicious EPUB, OPF, PDF, or similar file through program: and a nested template call whose formatter does not inherit allowpythontemplates=False, allowing a nested python:...

PT-2026-70939

calibre is an e-book manager. Prior to 9.12.0, calibre processes attacker-controlled composite template metadata from a malicious EPUB, OPF, PDF, or similar file through program: and a nested template call whose formatter does not inherit allow python templates=False, allowing a nested python:...