CVE-2026-73249

calibre is an e-book manager. Prior to 9.12.0, the calibre Content Server endpoint POST /book-update-annotations/libraryid/bookid/fmt in src/calibre/srv/books.py omits needsdbwrite=True, causing Router.dispatch to skip ctx.checkforwriteaccess before updateannotations passes attacker-controlled JS...

EUVD-2026-57015

calibre is an e-book manager. Prior to 9.12.0, the calibre Content Server endpoint POST /book-update-annotations/libraryid/bookid/fmt in src/calibre/srv/books.py omits needsdbwrite=True, causing Router.dispatch to skip ctx.checkforwriteaccess before updateannotations passes attacker-controlled JS...

CVE-2026-73249

Summary: Calibre Content Server before 9.12.0 allows unauthorized annotation changes via POST /book-update-annotations/{library_id}/{book_id}/{fmt} due to omitting needs_db_write=True in src/calibre/srv/books.py. This prevents Router.dispatch() from invoking ctx.check_for_write_access() before up...

CVE-2026-73249 calibre Content Server `/book-update-annotations` Missing Write Authorization Check Allows Unauthorized Annotation Modification

calibre is an e-book manager. Prior to 9.12.0, the calibre Content Server endpoint POST /book-update-annotations/libraryid/bookid/fmt in src/calibre/srv/books.py omits needsdbwrite=True, causing Router.dispatch to skip ctx.checkforwriteaccess before updateannotations passes attacker-controlled JS...

CVE-2026-73249 calibre Content Server `/book-update-annotations` Missing Write Authorization Check Allows Unauthorized Annotation Modification

calibre is an e-book manager. Prior to 9.12.0, the calibre Content Server endpoint POST /book-update-annotations/libraryid/bookid/fmt in src/calibre/srv/books.py omits needsdbwrite=True, causing Router.dispatch to skip ctx.checkforwriteaccess before updateannotations passes attacker-controlled JS...

CVE-2026-73249

calibre is an e-book manager. Prior to 9.12.0, the calibre Content Server endpoint POST /book-update-annotations/libraryid/bookid/fmt in src/calibre/srv/books.py omits needsdbwrite=True, causing Router.dispatch to skip ctx.checkforwriteaccess before updateannotations passes attacker-controlled JS...

CVE-2026-73248 calibre: Bypass of Python template restrictions via nested `template()` leading to RCE

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:...

CVE-2026-73248

CVE-2026-73248 affects calibRE prior to 9.12.0, where attacker-controlled composite_template metadata in EPUB/OPF/PDF files via a nested template() with a formatter that does not inherit allow_python_templates=False can reach compile_python_template and execute arbitrary Python code when the file...

CVE-2026-73248 calibre: Bypass of Python template restrictions via nested `template()` leading to RCE

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:...

EUVD-2026-57014

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:...

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:...

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-2026-70940

calibre is an e-book manager. Prior to 9.12.0, the calibre Content Server endpoint POST /book-update-annotations/library id/book id/fmt in src/calibre/srv/books.py omits needs db write=True, causing Router.dispatch to skip ctx.check for write access before update annotations passes...

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:...

[SECURITY] Fedora 44 Update: calibre-9.11.0-1.fc44

Calibre is meant to be a complete e-library solution. It includes library management, format conversion, news feeds to ebook conversion as well as e-book reader sync features. Calibre is primarily a ebook cataloging program. It manages your ebook collection for you. It is designed around the...

Linux Distros Unpatched Vulnerability : CVE-2026-53511

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre,...

DEBIAN-CVE-2026-53511

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

CVE-2026-53511

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

UBUNTU-CVE-2026-53511

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

CVE-2026-53511

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...