Symfony HttpFoundation - Access Control Bypass via PATH_INFO

Symfony HttpFoundation component = 2.0.0 and prior to versions 5.4.50, 6.4.29, and 7.3.7 contains an access control bypass vulnerability. The Request class improperly interprets some PATHINFO values, producing URL paths without a leading /. This allows bypassing access control rules that are buil...

Symfony - Authentication Bypass

Symfony 2.3.19 through 2.3.28, 2.4.9 through 2.4.10, 2.5.4 through 2.5.11, and 2.6.0 through 2.6.7, when ESI or SSI support enabled, does not check if the controller attribute is set, which allows remote attackers to bypass URL signing and security rules by including 1 no hash or 2 an invalid has...

Symfony Profiler - Remote Access via Injected Arguments

symfony/runtime is a module for the Symphony PHP framework which enables decoupling PHP applications from global state. When the registerargvargc php directive is set to on , and users call any URL with a special crafted query string, they are able to change the environment or debug mode used by...

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-2026-49216

Symfony UX is a JavaScript ecosystem for Symfony. From 2.2.0 until 2.36.0 and 3.1.0, the Stimulus controller in symfony/ux-autocomplete renders AJAX response items in createAutocompleteWithRemoteData by interpolating the text field into HTML template literals $itemlabelField rather than text,...

CVE-2026-49211

Symfony UX is a JavaScript ecosystem for Symfony. From 2.2.0 until 2.36.0 and 3.1.0, Symfony\UX\Autocomplete\Doctrine\EntitySearchUtil::addSearchClause builds the LIKE expression used by the autocomplete endpoint by wrapping the client-supplied query in %...% without escaping SQL LIKE wildcards %...

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-2026-49210

Symfony UX is a JavaScript ecosystem for Symfony. From 2.8.0 until 2.36.0 and 3.1.0, Symfony\UX\LiveComponent\Util\ChildComponentPartialRenderer::createHtml interpolates the client-controlled childrenid.tag value from LiveComponentSubscriber and InterceptChildComponentRenderSubscriber directly in...

CVE-2026-49209

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, ...

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 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-2026-49215

Symphony UX LiveComponent is affected: from version 2.22.0 through 2.36.0 and in 3.1.0, the isLiveComponentRequest() gate relied on Accept: application/vnd.live-component+html, which is CORS-safelisted. Cross-origin fetch() can set this header without a preflight, allowing forged cross-origin #[L...

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...

CVE-2026-49216 Symfony UX: XSS in symfony/ux-autocomplete via unescaped AJAX response data

Symfony UX is a JavaScript ecosystem for Symfony. From 2.2.0 until 2.36.0 and 3.1.0, the Stimulus controller in symfony/ux-autocomplete renders AJAX response items in createAutocompleteWithRemoteData by interpolating the text field into HTML template literals $itemlabelField rather than text,...

CVE-2026-49216

Symfony UX is a JavaScript ecosystem for Symfony. From 2.2.0 until 2.36.0 and 3.1.0, the Stimulus controller in symfony/ux-autocomplete renders AJAX response items in createAutocompleteWithRemoteData by interpolating the text field into HTML template literals $itemlabelField rather than text,...

CVE-2026-49216

CVE-2026-49216 (Symfony UX Autocomplete) : The Stimulus controller in symfony/ux-autocomplete renders AJAX response items by interpolating item[labelField] directly into HTML, causing stored XSS when values come from user-supplied content. Affected: 2.2.0 through 2.36.0 and 3.1.0. Impact is that ...

CVE-2026-49216 Symfony UX: XSS in symfony/ux-autocomplete via unescaped AJAX response data

Symfony UX is a JavaScript ecosystem for Symfony. From 2.2.0 until 2.36.0 and 3.1.0, the Stimulus controller in symfony/ux-autocomplete renders AJAX response items in createAutocompleteWithRemoteData by interpolating the text field into HTML template literals $itemlabelField rather than text,...

CVE-2026-49211 Symfony UX: Information exposure via unescaped LIKE wildcards in EntitySearchUtil

Symfony UX is a JavaScript ecosystem for Symfony. From 2.2.0 until 2.36.0 and 3.1.0, Symfony\UX\Autocomplete\Doctrine\EntitySearchUtil::addSearchClause builds the LIKE expression used by the autocomplete endpoint by wrapping the client-supplied query in %...% without escaping SQL LIKE wildcards %...

CVE-2026-49211 Symfony UX: Information exposure via unescaped LIKE wildcards in EntitySearchUtil

Symfony UX is a JavaScript ecosystem for Symfony. From 2.2.0 until 2.36.0 and 3.1.0, Symfony\UX\Autocomplete\Doctrine\EntitySearchUtil::addSearchClause builds the LIKE expression used by the autocomplete endpoint by wrapping the client-supplied query in %...% without escaping SQL LIKE wildcards %...