CYBERHAWK / CVE / CVE-2026-42567

CVE-2026-42567

HIGH CVSS 7.5 other

The flaw

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 pat

What to do

Review advisory and patch per vendor guidance.

▸ Scan my repo for CVE-2026-42567

References

First seen 2026-06-12 · Tracked by PickBits CyberHawk · Weekly CVE digest