CVE-2026-49215

Symfony UX is a JavaScript ecosystem for Symfony. From 2.22.0 until 2.36.0 and 3.1.0, Symfony\UX\LiveComponent\EventListener\LiveComponentSubscriber::isLiveComponentRequest gates LiveAction invocations on Accept: application/vnd.live-component+html, but the Accept header is CORS-safelisted and...

CVE-2026-49212

Symfony UX is a JavaScript ecosystem for Symfony. From 2.8.0 until 2.36.0 and 3.1.0, the HMAC computed by Symfony\UX\LiveComponent\LiveComponentHydrator covered only sorted prop key/value pairs and did not include the component name, the slot identifier props vs propsFromParent, or request contex...

CVE-2026-49215 Symfony UX: CSRF Protection Bypass in symfony/ux-live-component — Accept Header is CORS-Safelisted

Symfony UX is a JavaScript ecosystem for Symfony. From 2.22.0 until 2.36.0 and 3.1.0, Symfony\UX\LiveComponent\EventListener\LiveComponentSubscriber::isLiveComponentRequest gates LiveAction invocations on Accept: application/vnd.live-component+html, but the Accept header is CORS-safelisted and...

EUVD-2026-45218

Symfony UX is a JavaScript ecosystem for Symfony. From 2.22.0 until 2.36.0 and 3.1.0, Symfony\UX\LiveComponent\EventListener\LiveComponentSubscriber::isLiveComponentRequest gates LiveAction invocations on Accept: application/vnd.live-component+html, but the Accept header is CORS-safelisted and...

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...

CVE-2026-49209 Symfony UX: Denial of service in symfony/ux-live-component via unbounded batch action requests

Symfony UX is a JavaScript ecosystem for Symfony. From 2.5.0 until 2.36.0 and 3.1.0, Symfony\UX\LiveComponent\Controller\BatchActionController::invoke iterates over the client-supplied actions array and issues a full HttpKernel sub-request for each entry; because the array size is never bounded, ...

GHSA-7VFX-4246-JCFH SolidInvoice: IDOR in LiveComponent allows same-company cross-user access to API tokens and notification transport settings

Summary Four authorization bypass vulnerabilities in Symfony LiveComponent actions allow any authenticated user within a company to access, modify, or delete other users' API tokens and notification transport settings. The root cause is that LiveComponent actions accept entity IDs without verifyi...