Security Advisory

CVE-2026-42567

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-09 16:22:22

Last updated 2026-06-09 18:09:26

Assigner GitHub_M

CVSS score 5.9

State PUBLISHED

Description

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.

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