CVE-2026-42567
Fixed upstream EPSS <1%CVSS 5.9
Svelte is a performance oriented web framework. From version 5.51.5 to before version 5.55.7, an internal regex in the Svelte runtime can take exponential time to test in <svelte:element this={tag}></svelte:element>. This issue has been patched in version 5.55.7.
Products: sveltejs svelte
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| npm | svelte | 5.55.7 |