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Description

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.

PUBLISHED Reserved 2026-05-05 | Published 2026-05-08 | Updated 2026-05-08 | Assigner GitHub_M




CRITICAL: 9.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L

Problem types

CWE-918: Server-Side Request Forgery (SSRF)

Product status

< 2.13.0
affected

References

github.com/...warden/security/advisories/GHSA-5qpc-x7rv-hvmp

cve.org (CVE-2026-44313)

nvd.nist.gov (CVE-2026-44313)

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