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CVE-2026-53511

calibre: Arbitrary Code Execution in Template Formatter via Book Metadata PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
kovidgoyal / calibreaffected < 9.10.0

CWE

CWE-94

References

ADP enrichment

CISA-ADP

No English description supplied.

CVE

No English description supplied.