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CVE-2026-27119

Fixed upstream EPSS <1%CVSS 5.1

svelte performance oriented web framework. From 5.39.3, <=5.51.4, in certain circumstances, the server-side rendering output of an <option> element does not properly escape its content, potentially allowing HTML injection in the SSR output. Client-side rendering is not affected. This vulnerability is fixed in 5.51.5.

Published 2026-02-20 · CVE record · OSV

Products: sveltejs svelte

Fixed upstream

EcosystemPackageFixed in
npmsvelte5.51.5