CVE-2026-56771
CVE-2026-56771
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. A…
Vulnerability class: SSRF (Server-Side Request Forgery)
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N.
Weakness classification (CWE)
References
- disclosure@vulncheck.com (release-notes)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56771?
- CVE-2026-56771 is a high-severity vulnerability, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.5/10. Published 2026-06-25.
- How severe is CVE-2026-56771?
- High severity. CVSS v3 base score is 8.5 out of 10.