LinkWarden: Server-Side Request Forgery (SSRF) in Link Creation via fetchTitleAndHeaders Function
Priority HIGH 72CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00285 21st percentileScored 2026-11-07
Fix Fixed linkwarden (linkwarden): 2.13.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| linkwarden | linkwarden | before 2.13.0 | 2.13.0 | Patch available | CNA |
- linkwarden Vendorlinkwarden Affected before 2.13.0 Fixed in 2.13.0 Patch available CNA
Remediation
- Fix · CNA linkwarden (linkwarden) Fixed in 2.13.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44313
More linkwarden vulnerabilities
- TI-2025-31601 Linkwarden Local File Inclusion Vulnerability CVSS 4.0HIGH 8.7
- TI-2026-30744 LinkWarden: Stored XSS via Client-Side Archive Upload (Unsanitized HTML served from same origin) CVSS 4.0HIGH 8.8
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences