CVE-2026-44313
Linkwarden, a self-hosted bookmark manager, had a critical Server‑Side Request Forgery flaw that let logged‑in users make arbitrary HTTP requests to internal services. The bug was fixed in version 2.13.0. Users of older versions are at risk.
An official fix is available, so this entry is kept for 30 days and then removed automatically.
Who is affected
Linkwarden self‑hosted open‑source bookmark manager, any installation running a version older than 2.13.0.
Real-world impact
An attacker who can authenticate to a vulnerable Linkwarden instance could instruct the server to contact internal network services, potentially exposing sensitive data or enabling further attacks inside the network.
Why this severity
The CVSS score of 9.1 reflects that the vulnerability can be exploited over the network by an attacker with low privileges, requires no user interaction, and compromises confidentiality of internal resources.
What to do about it
- 01Upgrade Linkwarden to version 2.13.0 or later.
NVD-referenced vendor advisory
Timeline
- May 9, 2026 · May 9, 2026PublishedDisclosed and added to the National Vulnerability Database.
- Jul 24, 2026 · 11d agoAdvisory updatedThe NVD record was last revised.
- Jul 26, 2026 · 10d agoOfficial fix availableA vendor patch or mitigation now exists — see the remediation steps above.