CVE-2026-32886
HighSummary
Parse Server, otwarte źródło backendu, przed wersjami 9.6.0-alpha.24 i 8.6.47, pozwalał zdalnym klientom na zablokowanie procesu serwera poprzez wywołanie punktu końcowego funkcji chmurowej z odpowiednio skonstruowaną nazwą funkcji, co prowadziło do przepełnienia stosu. Wersje 9.6.0-alpha.24 i 8.6.47 wprowadziły poprawkę, która ogranicza przeszukiwanie właściwości do własnych właściwości, zapobiegając przechodzeniu przez łańcuch prototypów zarejestrowanych handlerów funkcji chmurowych.
Risk Assessment
Organizacje korzystające z Parse Server mogą być narażone na awarie serwera, co prowadzi do przerwy w dostępności usług. W przypadku ataku, zdalni klienci mogą zablokować serwer, co wpływa na ciągłość działania aplikacji.
Recommendation
Zaleca się aktualizację do wersji 9.6.0-alpha.24 lub 8.6.47, aby zabezpieczyć się przed tą podatnością. Należy również monitorować i ograniczać dostęp do funkcji chmurowych, aby zminimalizować ryzyko ataków.
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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.24 and 8.6.47, remote clients can crash the Parse Server process by calling a cloud function endpoint with a crafted function name that traverses the JavaScript prototype chain of a registered cloud function handler, causing a stack overflow. The fix in versions 9.6.0-alpha.24 and 8.6.47 restricts property lookups during cloud function name resolution to own properties only, preventing prototype chain traversal from stored function handlers. There is no known workaround.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

