CVE-2026-42567: falha de média gravidade em sveltejs svelte
Svelte: ReDoS in `<svelte:element>` Tag Validation
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 5.9epss 0.5%
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.
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Produtos afetados
sveltejs · svelteCVEs relacionadas — sveltejs svelte
No mesmo produto, das mais perigosas para as menos.
CVE-2026-27125MEDIUMSvelte SSR attribute spreading includes inherited properties from prototype chainEPSS 0.4%CVE-2024-45047MEDIUMPotential mXSS vulnerability due to improper HTML escaping in svelteEPSS 0.4%CVE-2026-42573MEDIUMSvelte: XSS via DOM Clobbering of Internal Framework StateEPSS 0.3%CVE-2026-27902MEDIUMSvelte Vulnerable to XSS via HTML Comment Injection in SSR Error Boundary Hydration MarkersEPSS 0.3%CVE-2026-27901MEDIUMSvelte vulnerable to XSS during SSR with contenteditable `bind:innerText` and `bind:textContent`EPSS 0.3%CVE-2026-27122MEDIUMSvelte SSR does not validate dynamic element tag names in `<svelte:element>`EPSS 0.2%