🛡️ CVE-2026-53511

⚪ Unknown ✅ No Known Exploit CWE-94 NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Weakness class

CVE-2026-53511 is classified as CWE-94: Code Injection. Input is incorporated into code that the runtime evaluates, so an attacker can have their own code executed.

Affected software

CVE-2026-53511 is recorded against 1 package.

  • unknown

Timeline and source

Published on 7 July 2026 and last revised on 10 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
github.com
github.com
github.com

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE CWE-94
Public Exploit ✅ No
Source NVD
Published 2026-07-07
Updated 2026-08-11
Modified 2026-07-10
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

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