LOWVulnerability

CVE-2026-73248

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: template to reach compile_python_template and execute arbitrary Python code when the file is opened or imported. This issue is fixed in version 9.12.0.

Properties

epss_score
0.00147
cve_id
CVE-2026-73248
published_at
2026-08-11T22:19:05.553
last_modified
2026-09-09T20:55:04.493
epss_percentile
0.0424

Related Entities (4)

ENRICHED_BY (1)

[Source]FIRST EPSS

DESCRIBED_BY (1)

[Source]NVD

HAS_WEAKNESS (2)

[Weakness]Improper Control of Generation of Code ('Code Injection')
[Weakness]Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

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CVE-2026-73248 — Ninja Signal Threat Intelligence | Ninja Signal