CVE-2026-27902
1 advisory.
npm/svelte CVE-2026-27902: medium
Svelte: XSS via HTML Comment Injection in SSR Error Boundary Hydration Markers
Action: Upgrade svelte to 5.53.5 or later.
npm i svelte@5.53.5Affected
| introduced | fixed | last affected |
|---|---|---|
| 5.53.0 | 5.53.5 | - |
Fixed versions
| 5.53.5 |
Sources
- osv: GHSA-qgvg-pr8v-6rr3
- https://github.com/sveltejs/svelte/security/advisories/GHSA-qgvg-pr8v-6rr3
- https://nvd.nist.gov/vuln/detail/CVE-2026-27902
- https://github.com/sveltejs/svelte/commit/0298e979371bb583855c9810db79a70a551d22b9
- https://github.com/sveltejs/svelte
- https://github.com/sveltejs/svelte/releases/tag/svelte@5.53.5
CVE-2026-27902 · published · modified · JSON