CVE-2026-114062

EUVD-2026-107013
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.
SSRF
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 20.2%
Common Weakness Enumeration
References
https://github.com/sveltejs/kit/security/advisories/GHSA-prjg-x2qj-wj3g
https://www.vulncheck.com/advisories/sveltekit-before-3.0.0-ssrf-via-redirects-in-server-side-self-fetch-fallbacks