CVE-2026-82291

HeyForm versions before 3.0.0-rc.8 reflect the request Origin header in CORS responses while simultaneously allowing credentials. This misconfiguration enables attackers to execute authenticated GraphQL queries from a malicious page visited by a logged-in user, granting access to workspaces, proj...

CVE-2026-82287 Rybbit Reflects Any Origin in CORS Responses While Allowing Credentials

Rybbit before 2.7.0 contains a CORS misconfiguration vulnerability that allows attackers to bypass origin restrictions by reflecting any request origin in Access-Control-Allow-Origin responses while credentials are enabled. Attackers can issue credentialed cross-origin requests from any website t...

live-server-evil-crawler

Live Server Evil Crawler Eine GitHub-Pages-Website zur Demonstration der Live-Server-VSCode-Erweiterungsschwachstelle CVE-2025-65717. Übersicht Dieses Tool demonstriert eine Schwachstelle, bei der Live Server Anfragen von beliebigen Ursprüngen zulässt, sodass bösartige Webseiten auf den auf...

EUVD-2026-67027

tiger-slack started its MCP HTTP transport without enabling the host allow-list the underlying SDK provides. mcp/src/httpServer.ts called the shared httpServerFactory helper and never set the DNS-rebinding-protection option, so the transport accepted a request whatever host it named, and a page i...

CVE-2026-34200

Nhost MCP Server: Kompromittierung der Infrastruktur mit einem Klick Offizielles Advisory: Diese Schwachstelle wurde von Nhost anerkannt und veröffentlicht: GHSA-6c5x-3h35-vvw2 Dieses Repository dokumentiert eine Schwachstelle im Nhost Local MCP Server. Der Dienst verfügt über keine eingehende...

GHSA-RGR9-R7MJ-MF6X Tina: Cross-origin `POST /media/upload/*` requests can write arbitrary files into the Tina dev server media root

Summary A browser-based cross-origin request flaw in the Tina dev server allows an attacker-controlled website to cause arbitrary file creation inside the configured media upload directory on a developer machine running tinacms dev. No manual file upload is required. The attacker page builds the...

Tina: Cross-origin `POST /media/upload/*` requests can write arbitrary files into the Tina dev server media root

Summary A browser-based cross-origin request flaw in the Tina dev server allows an attacker-controlled website to cause arbitrary file creation inside the configured media upload directory on a developer machine running tinacms dev. No manual file upload is required. The attacker page builds the...

CVE-2026-63407

The Grav API Plugin (getgrav/grav-plugin-api) for Grav CMS had a CORS misconfiguration in its CorsMiddleware. Prior to version 1.0.0-rc.16 , the middleware returned Access-Control-Allow-Origin: * and permissive OPTIONS responses on authenticated /api/v1 endpoints. Because authentication uses the ...

CVE-2026-43971 Link Header Directive Smuggling via Unescaped target/rel/Attribute Keys in cow_link:link/1

Improper Encoding or Escaping of Output vulnerability in ninenines cowlib allows Link header directive smuggling via unescaped special characters in cowlink:link/1. cowlink:dolink/1 in cowlib interpolates the target URI, rel value, and attribute keys directly into the serialized Link: header valu...

CVE-2025-27621

UpTrain is an open-source platform to evaluate and improve generative AI applications. In version 0.7.1 and prior, the UpTrain backend creates a new default user with a static username, where the username is also used as the default API key. The UpTrain backend also has an open CORS policy. Using...

EUVD-2025-210733

UpTrain is an open-source platform to evaluate and improve generative AI applications. In version 0.7.1 and prior, the UpTrain backend creates a new default user with a static username, where the username is also used as the default API key. The UpTrain backend also has an open CORS policy. Using...

CVE-2025-27621

UpTrain is an open-source platform to evaluate and improve generative AI applications. In version 0.7.1 and prior, the UpTrain backend creates a new default user with a static username, where the username is also used as the default API key. The UpTrain backend also has an open CORS policy. Using...

CVE-2026-74881 openssl_encrypt before 1.4.0 CORS Misconfiguration via Wildcard Origins

opensslencrypt versions before 1.4.0 configure CORS with alloworigins set to wildcard and allowcredentials enabled to true. Attackers can create malicious websites that make authenticated cross-origin requests to the API on behalf of any user who visits them...

EUVD-2026-53326

In Eclipse Theia versions up to and including 1.73.1, the @theia/filesystem backend binds POST /file-upload in every filesystem-enabled deployment. The handler takes an attacker-supplied absolute path from the multipart uri field and calls fs.movetmp, target, overwrite: true with no workspace...

Astro: composable `astro/hono` pipeline bypasses `security.checkOrigin` when `middleware()` is absent or misordered

Summary In the composable astro/hono pipeline, the security.checkOrigin protection is only installed by the middleware primitive. The actions and pages primitives each dispatch to user code independently, so a pipeline that mounts either primitive before or without middleware will bypass the orig...

GO-2026-5918 Coder's workspace app CORS origin check can be bypassed via UUID-based subdomain spoofing in github.com/coder/coder

Coder's workspace app CORS origin check can be bypassed via UUID-based subdomain spoofing in github.com/coder/coder...

CVE-2026-56277

Flowise before 3.1.2 sets Access-Control-Allow-Origin to a hardcoded wildcard on its text-to-speech TTS generation endpoint packages/server/src/controllers/text-to-speech/index.ts, independent of the server's configured CORS policy. This bypasses the server's otherwise restrictive default CORS...

GHSA-4M4J-HMQQ-3GXM 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:...

EUVD-2026-36477

The Aqara IAM/SSO gateway gw-builder.aqara.com exhibits a cross-origin request sharing vulnerability, which is an instance of "CWE-942: Permissive Cross-domain Policy with Untrusted Domains," and has an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N 8.2 High...

CVE-2026-45021

Kuma is a modern Envoy-based service mesh that can run on every cloud across both Kubernetes and VMs. Prior to 2.7.25, 2.9.15, 2.11.13, 2.12.10, and 2.13.5, the default kuma-cp config leaks the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is...