Medium severity5.3NVD Advisory· Published Oct 21, 2026

CVE-2026-114062

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.

Affected products

Sveltejs/Kitllm-fuzzy
Range: <3.0.0

Patches

Vulnerability mechanics

References

github.com/sveltejs/kit/security/advisories/GHSA-prjg-x2qj-wj3gnvd
www.vulncheck.com/advisories/sveltekit-before-3.0.0-ssrf-via-redirects-in-server-side-self-fetch-fallbacksnvd

News mentions

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