CVE-2026-49208

Symfony UX is a JavaScript ecosystem for Symfony. From 2.8.0 until 2.36.0 and 3.1.0, when a LiveProp is typed as DateTimeInterface and no explicit format is configured, Symfony\UX\LiveComponent\LiveComponentHydrator::hydrateObjectValue falls back to new $className$value, allowing client-supplied...

CVE-2026-49208

CVE-2026-49208 (Symfony UX LiveComponent) : Vulnerability occurs when a writable #[LiveProp] is typed as DateTimeInterface with no explicit format, allowing client-supplied strings like now/tomorrow/+10 years to bypass checks via LiveComponentHydrator::hydrateObjectValue(), effectively moving tim...