CVE-2026-44313: Linkwarden

Critical severity, CVSS 9.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Linkwarden is a self-hosted, open-source collaborative bookmark manager to collect, organize and archive webpages. Prior to version 2.13.0, a Server-Side Request Forgery (SSRF) vulnerability in the fetchTitleAndHeaders function allows authenticated users to make arbitrary HTTP requests to internal services due to insufficient URL validation that only checks for "http://" or "https://" prefixes. This issue has been patched in version 2.13.0.

Affected products

• Linkwarden Linkwarden: before 2.13.0 (fixed in 2.13.0)

Published 2026-05-09. Last modified 2026-07-24.