CVE-2026-25636
HighSummary
Calibre to menedżer e-booków. W wersjach 9.1.0 i wcześniejszych występuje podatność na przejście ścieżki w konwersji EPUB, która pozwala złośliwemu plikowi EPUB na uszkodzenie dowolnych istniejących plików, które mogą być zapisywane przez proces Calibre.
Risk Assessment
Podatność ta może prowadzić do nieautoryzowanego dostępu i modyfikacji plików na systemie, co stwarza poważne ryzyko dla integralności danych organizacji.
Recommendation
Zaleca się aktualizację Calibre do wersji 9.2.0 lub nowszej, aby usunąć tę podatność.
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- CVE-2026-93739Critical
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- CVE-2026-93738Critical
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Original NVD description (English source)
calibre is an e-book manager. In 9.1.0 and earlier, a path traversal vulnerability in Calibre's EPUB conversion allows a malicious EPUB file to corrupt arbitrary existing files writable by the Calibre process. During conversion, Calibre resolves CipherReference URI from META-INF/encryption.xml to an absolute filesystem path and opens it in read-write mode, even when it points outside the conversion extraction directory. This vulnerability is fixed in 9.2.0.

