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:user_metadata that is passed unsanitized to exec() in the template formatter. This issue is fixed in version 9.10.0.
Faiblesse
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:user_metadata that is passed unsanitized to exec() in the template formatter. This issue is fixed in version 9.10.0.
Références
- https://github.com/kovidgoyal/calibre/commit/712f4e1ff5c1e798c335bef3bacc4efdee052e9c
- https://github.com/kovidgoyal/calibre/releases/tag/v9.10.0
- https://github.com/kovidgoyal/calibre/security/advisories/GHSA-2j4m-2q7x-2c47
- https://lists.debian.org/debian-lts-announce/2026/08/msg00034.html
- https://github.com/kovidgoyal/calibre/security/advisories/GHSA-2j4m-2q7x-2c47
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