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Full advisory text at GitHub advisory or OSV.
npm package report
Is svelte safe?
svelte (npm) has 14 known vulnerabilities, the worst rated HIGH. Upgrade to 5.55.7 or later to clear all of them. No malicious-package signal is recorded.
// reach
62 packages depend on it
an advisory here reaches each of them
Create a free accountfor every dependency path, dependent and what to upgrade
// ai model usage
Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.
cvss
7.5
high
severity band, no base score published
epss
not scored
chance of exploitation in 30 days
xyz score
4.7
medium
CyberXYZ composite out of 10
fig. 01 — GHSA-gw32-9rmw-qwww, the advisory selected below
// 14 advisories
Is svelte safe to install?
CyberXYZ does not call a package safe in absolute terms. It records 14 known vulnerabilities for svelte (npm), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does svelte have known vulnerabilities?
Yes. CyberXYZ records 14 known vulnerabilities for svelte (npm), the worst rated HIGH. These include GHSA-gw32-9rmw-qwww, GHSA-9rmh-mm8f-r9h6, GHSA-pr6f-5x2q-rwfp, GHSA-rcqx-6q8c-2c42, GHSA-f3cj-j4f6-wq85.
Which version of svelte should I use?
5.55.7 or later clears every advisory recorded for svelte (npm). Check the release you pick before installing it.
How do I check svelte before installing?
Search svelte in CyberXYZ Check at https://cyberxyz.io/check?q=svelte. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 08:58 UTC. The most recent advisory here was published 2026-05-14. Updated continuously from NVD, GHSA, OSV and CNA feeds.