CVE-2026-0773
CriticalSummary
Podatność CVE-2026-0773 w Upsonic umożliwia zdalnym atakującym wykonanie dowolnego kodu na zainfekowanych instalacjach. Problem występuje w punkcie końcowym add_tool, który domyślnie nasłuchuje na porcie TCP 7541, a jego przyczyną jest brak odpowiedniej walidacji danych dostarczanych przez użytkowników.
Risk Assessment
Wykorzystanie tej podatności może prowadzić do przejęcia kontroli nad usługą, co stwarza poważne zagrożenie dla bezpieczeństwa organizacji. Atakujący mogą działać bez potrzeby uwierzytelnienia, co zwiększa ryzyko.
Recommendation
Zaleca się natychmiastowe zaktualizowanie oprogramowania Upsonic do najnowszej wersji, która naprawia tę podatność. Dodatkowo, warto wprowadzić dodatkowe mechanizmy zabezpieczające, takie jak ograniczenie dostępu do portu 7541.
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Original NVD description (English source)
Upsonic Cloudpickle Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Upsonic. Authentication is not required to exploit this vulnerability. The specific flaw exists within the add_tool endpoint, which listens on TCP port 7541 by default. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-26845.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

