CVE-2026-41589
CriticalSummary
Wish to serwer SSH, który w wersjach od 2.0.0 do przed 2.0.1 jest podatny na ataki typu path traversal w middleware SCP. Złośliwy klient SCP może odczytywać dowolne pliki z serwera, zapisywać pliki oraz tworzyć katalogi poza skonfigurowanym katalogiem głównym, wysyłając odpowiednio skonstruowane nazwy plików zawierające sekwencje ../ przez protokół SCP.
Risk Assessment
Atakujący może uzyskać dostęp do wrażliwych danych na serwerze oraz wprowadzać nieautoryzowane zmiany w systemie plików, co może prowadzić do poważnych naruszeń bezpieczeństwa.
Recommendation
Zaleca się aktualizację do wersji 2.0.1 lub nowszej, aby usunąć tę podatność oraz przeprowadzenie audytu bezpieczeństwa systemu w celu zidentyfikowania potencjalnych zagrożeń.
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Original NVD description (English source)
Wish is an SSH server with defaults and a collection of middlewares. From version 2.0.0 to before version 2.0.1, the SCP middleware in charm.land/wish/v2 is vulnerable to path traversal attacks. A malicious SCP client can read arbitrary files from the server, write arbitrary files to the server, and create directories outside the configured root directory by sending crafted filenames containing ../ sequences over the SCP protocol. This issue has been patched in version 2.0.1.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS