CVE-2026-56771 — NewsBlur < 14.5.0 - Server-Side Request Forgery via add_url Endpoint
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 …
Published: 2026-06-25 · CVSS: 6.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7