CVE-2026-42567

ADVISORY - github

Summary

An internal regex in the Svelte runtime can take exponential time to test in <svelte:element this={tag}></svelte:element>. You are only vulnerable to this if you allow tags of unconstrained length. If your application only allows a predetermined list of tags or trims their length before passing them to svelte:element, you are safe.

Common Weakness Enumeration (CWE)

ADVISORY - github

CWE-1333⁠

Inefficient Regular Expression Complexity

Impacted images

Advisories

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