CVE-2026-114062: Server-Side Request Forgery (SSRF) in sveltejs kit
Description
SvelteKit before 3.0.0 contains a server-side request forgery vulnerability that allows remote attackers to reach internal services because self-fetch fallbacks follow HTTP redirects automatically. Attackers can manipulate the Host or forwarded headers to point fallback requests at their server, which redirects them to internal services.
CVSS v4.0
Score 6.9medium
Affected software
sveltejs
kit
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-10-20T21:43:23.218Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad80c012cdf04f6568caa21
Added to database: 10/21/2026, 00:49:05 UTC
Last updated: 10/21/2026, 01:04:52 UTC
Views: 1
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