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.
Metrics
Affected Vendors & Products
References
History
Wed, 08 Jul 2026 14:30:00 +0000
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ssvc
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Tue, 07 Jul 2026 23:00:00 +0000
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Kovidgoyal
Kovidgoyal calibre |
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| Vendors & Products |
Kovidgoyal
Kovidgoyal calibre |
Tue, 07 Jul 2026 21:00:00 +0000
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| Description | 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. | |
| Title | calibre: Arbitrary Code Execution in Template Formatter via Book Metadata | |
| Weaknesses | CWE-94 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-07-07T20:46:49.199Z
Updated: 2026-07-09T03:55:49.907Z
Reserved: 2026-06-09T17:30:33.455Z
Link: CVE-2026-53511
Updated: 2026-07-08T12:57:53.875Z
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