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OpenAdvisories
High · 8.5 CVE-2026-56771 EUVD-2026-39524GHSA-hggv-jxwf-w664

NewsBlur < 14.5.0 - Server-Side Request Forgery via add_url Endpoint

Published Jun 25, 2026 · Updated Nov 8, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
samuelclay NewsBlur < 14.5.0 14.5.0

References