[ CVE-2026-114062 · Published 21 Oct 2026 ]
Vulnerability in sveltejs kit
CVSS 5.3
EPSS <1%No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.