CVE-2026-30853

MEDIUM

5.0

Description

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to 9.5.0, a path traversal vulnerability in the RocketBook (.rb) input plugin (src/calibre/ebooks/rb/reader.py) allows an attacker to write arbitrary files to any path writable by the calibre process when a user opens or converts a crafted .rb file. This is the same bug class fixed in CVE-2026-26065 for the PDB readers, but the fix was never applied to the RB reader. This vulnerability is fixed in 9.5.0.

Details CVE

Score CVSS v3.15.0

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie3/13/2026

Derniere modification3/18/2026

Sourcenvd

Observations honeypot0

Produits affectes

calibre-ebook:calibre

Faiblesses (CWE)

CWE-22

References

https://github.com/kovidgoyal/calibre/security/advisories/GHSA-7mp7-rfrg-542x(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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