CVE-2026-32878
HighSummary
Parse Server to otwarte oprogramowanie backendowe, które może być wdrażane na każdej infrastrukturze obsługującej Node.js. W wersjach przed 9.6.0-alpha.20 i 8.6.44, atakujący może obejść domyślną ochronę listy zablokowanych słów kluczowych oraz uprawnienia na poziomie klas, wysyłając spreparowane żądanie, które wykorzystuje zanieczyszczenie prototypu w mechanizmie głębokiego kopiowania.
Risk Assessment
Możliwość wstrzyknięcia pól do schematów klas, które mają zablokowane dodawanie pól, może prowadzić do trwałych konfliktów typów schematów, które nie mogą być rozwiązane nawet z kluczem głównym. To stwarza poważne ryzyko dla integralności danych w aplikacji.
Recommendation
Zaleca się aktualizację do wersji 9.6.0-alpha.20 lub 8.6.44, gdzie wrażliwa biblioteka do głębokiego kopiowania została zastąpiona bezpiecznym mechanizmem klonowania. Brak znanych obejść dla tej podatności.
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Original NVD description (English source)
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.20 and 8.6.44, an attacker can bypass the default request keyword denylist protection and the class-level permission for adding fields by sending a crafted request that exploits prototype pollution in the deep copy mechanism. This allows injecting fields into class schemas that have field addition locked down, and can cause permanent schema type conflicts that cannot be resolved even with the master key. In 9.6.0-alpha.20 and 8.6.44, the vulnerable third-party deep copy library has been replaced with a built-in deep clone mechanism that handles prototype properties safely, allowing the existing denylist check to correctly detect and reject the prohibited keyword. No known workarounds are available.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

