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CVE-2026-42567

Svelte is a performance oriented web framework

Published: 2026-06-09 · Last updated: 2026-06-09

Severity and scoring

CWE
CWE-1333

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.

Source: NVD

References

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