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CVE PROGRAM SOURCE RECORD6.3 Medium

CVE-2026-56771

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

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

samuelclay NewsBlur

Default version status: unaffected

  • 0 to < 14.5.0affected
pkg:github/samuelclay/NewsBlur

References