CVE-2026-71190

In OpenStack Swift through 2.38.0, the proxy server Accept header parser contains a regular expression vulnerable to catastrophic backtracking ReDoS. The "qdtext" pattern ?:^"|\. allows an unauthenticated remote attacker to send a crafted Accept header that causes exponential CPU consumption in...

CVE-2026-71190

In OpenStack Swift through 2.38.0, the proxy server Accept header parser contains a regular expression vulnerable to catastrophic backtracking ReDoS. The "qdtext" pattern ?:^"|\. allows an unauthenticated remote attacker to send a crafted Accept header that causes exponential CPU consumption in...

CVE-2026-66296

The CVE-2026-66296 issue concerns oaskit: a reflected XSS vulnerability in the default HTML error handler. The root cause is that Oaskit.ErrorHandler.Default.format_reason/4 and Oaskit.ErrorHandler.Default.reason_to_html/1 render request-validation failures as HTML when the Accept header includes...

CVE-2026-66296 Reflected XSS in oaskit's default HTML error handler

Improper Neutralization of Input During Web Page Generation XSS vulnerability in lud oaskit allows reflected cross-site scripting via the default HTML error handler. Oaskit.ErrorHandler.Default.formatreason/4 and Oaskit.ErrorHandler.Default.reasontohtml/1 in lib/oaskit/errorhandler/default.ex...

CVE-2026-66296

Improper Neutralization of Input During Web Page Generation XSS vulnerability in lud oaskit allows reflected cross-site scripting via the default HTML error handler. Oaskit.ErrorHandler.Default.formatreason/4 and Oaskit.ErrorHandler.Default.reasontohtml/1 in lib/oaskit/errorhandler/default.ex...

CVE-2026-66296 Reflected XSS in oaskit's default HTML error handler

Improper Neutralization of Input During Web Page Generation XSS vulnerability in lud oaskit allows reflected cross-site scripting via the default HTML error handler. Oaskit.ErrorHandler.Default.formatreason/4 and Oaskit.ErrorHandler.Default.reasontohtml/1 in lib/oaskit/errorhandler/default.ex...

EEF-CVE-2026-66296 Reflected XSS in oaskit's default HTML error handler

Summary Improper Neutralization of Input During Web Page Generation XSS vulnerability in lud oaskit allows reflected cross-site scripting via the default HTML error handler. Oaskit.ErrorHandler.Default.formatreason/4 and Oaskit.ErrorHandler.Default.reasontohtml/1 in...

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-2026-49215

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-2026-49215 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-2026-49215

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...

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...

PT-2026-51054

Name of the Vulnerable Software and Affected Versions Symfony UX LiveComponent versions prior to 2.x Symfony UX LiveComponent versions prior to 3.x Description Methods annotated with LiveAction in symfony/ux-live-component are invokable from the browser to mutate server-side state via AJAX. The...

CVE-2026-42554

A flaw was found in Fiber, a web framework for Go. A remote attacker can exploit a Cross-Site Scripting XSS vulnerability by manipulating the Accept header to text/html when a request handler uses the AutoFormat feature with attacker-controlled data. This allows the attacker to inject arbitrary...

CVE-2026-7768

@fastify/accepts-serializer cached serializer-selection results keyed by the request Accept header without a size limit or eviction policy. A remote unauthenticated client could send many distinct but matching Accept header variants to make the cache grow unbounded, eventually exhausting the...

Cross-site Request Forgery (CSRF)

Overview symfony/ux-live-component is a Live components for Symfony Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via insufficient CSRF protection for LiveAction methods in symfony/ux-live-component. An attacker can invoke server-side actions on behalf of an...

symfony/ux-live-component CSRF Protection Bypass: Accept Header is CORS-Safelisted

Description When using symfony/ux-live-component, methods annotated with LiveAction are invokable from the browser and mutate server-side state via AJAX. Symfony\UX\LiveComponent\EventListener\LiveComponentSubscriber::isLiveComponentRequest gated these invocations on the presence of Accept:...

CVE-2026-42554

Fiber is a web framework for Go. Prior to 2.52.12 and 3.1.0, Cross-Site Scripting vulnerability in Go Fiber allows a remote attacker to inject arbitrary HTML/JavaScript by supplying Accept: text/html on any request whose handler passes attacker-influenced data to the AutoFormat feature. The...

CVE-2026-42554 Fiber: XSS in AutoFormat Content Negotiation

Fiber is a web framework for Go. Prior to 2.52.12 and 3.1.0, Cross-Site Scripting vulnerability in Go Fiber allows a remote attacker to inject arbitrary HTML/JavaScript by supplying Accept: text/html on any request whose handler passes attacker-influenced data to the AutoFormat feature. The...