CVE-2026-44313

CRITICAL

LinkWarden: Server-Side Request Forgery (SSRF) in Link Creation via fetchTitleAndHeaders Function

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 9.1
EPSS 0.0029
EPSS Percentile 20.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-918
Status published
Products (1)
linkwarden/linkwarden < 2.13.0
Published May 09, 2026
Tracked Since May 09, 2026