CVE-2026-42567

CVE-2026-42567

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 pa…

Vulnerability class: ReDoS (Regular Expression Denial of Service)

Weakness classification (CWE)

References