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CVE-2026-56771

NewsBlur

Descrição

NewsBlur before version 14.5.0 contains a server-side request forgery vulnerability in the add_url endpoint that allows authenticated users to make arbitrary server requests to internal networks by failing to filter private IP addresses. Attackers can exploit this to access localhost services and cloud metadata endpoints, enabling internal network scanning and sensitive data exfiltration.

CVSS 8.5EPSS 0.20400000000000001%Risco 0.87
Ver fonte
Publicação
2026-06-25 19:16:44
Versões afetadas
<14.5.0
Tipo
Aplicação web
Vetor
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N