CVE-2026-89058: Permissive Cross-domain Policy with Untrusted Domains

A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins "", reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true. This permissive cross-origin policy allows a malicious website to...

CVE-2026-67200: Improper Limitation of a Pathname to a Restricted Directory

Perspective 5.0.0 contains a path traversal vulnerability that allows unauthenticated remote attackers to read arbitrary files from the server filesystem by including literal ../ segments in HTTP request URL paths. Attackers can bypass the insufficient query-string-stripping sanitization to...

CVE-2026-62387: Permissive Cross-domain Policy with Untrusted Domains

The Grav API plugin getgrav/grav-plugin-api before 1.0.0-rc.16 shipped Access-Control-Allow-Origin: as its default CORS configuration on all responses, including authenticated endpoints and preflight OPTIONS responses. Because the plugin accepts credentials via the Authorization and X-API-Token...

Permissive Cross-domain Policy with Untrusted Domains

Overview fiftyone is a FiftyOne: the open-source tool for building high-quality datasets and computer vision models Affected versions of this package are vulnerable to Permissive Cross-domain Policy with Untrusted Domains via the Access-Control-Allow-Origin header in the server response. An...

CVE-2026-54753: Exposed Dangerous Method or Function

Nx is a monorepo solution for TypeScript and polyglot codebases. From 17.0.4 until 22.7.2 and 23.0.0-beta.2, the local HTTP server started by nx graph sent Access-Control-Allow-Origin: on every response, letting any website a developer visited read the server's responses cross-origin — including...

CVE-2026-9739: Permissive Cross-domain Policy with Untrusted Domains

Vulnerable to DNS rebinding attacks when using SSE http://b/499408790. During the beta phase, we implemented allowed-origins and allowed-hosts flags to align with MCP security guidelines. However, the hardcoded Access-Control-Allow-Origin: header in the SSE initialization handler was inadvertentl...

CVE-2026-46431: Permissive Cross-domain Policy with Untrusted Domains

Algernon is a small self-contained pure-Go web server. Prior to 1.17.7, the SSE event server's Access-Control-Allow-Origin response header was hardcoded to the wildcard regardless of the caller's Origin. Because EventSource does not preflight and does not send cookies, the wildcard is sufficient ...

CVE-2026-42091: Cross-Site Request Forgery (CSRF)

goshs is a SimpleHTTPServer written in Go. Prior to version 2.0.2, the PUT upload handler httpserver/updown.go lacks the CSRF token validation that was added to the POST upload handler during the CVE-2026-40883 fix. Combined with the unconditional Access-Control-Allow-Origin: on the OPTIONS...

CVE-2026-41056: Permissive Cross-domain Policy with Untrusted Domains

WWBN AVideo is an open source video platform. In versions 29.0 and below, the allowOrigin$allowAll=true function in objects/functions.php reflects any arbitrary Origin header back in Access-Control-Allow-Origin along with Access-Control-Allow-Credentials: true. This function is called by both...

CVE-2021-41101

wire-server is an open-source back end for Wire, a secure collaboration platform. Before version 2.106.0, the CORS Access-Control-Allow-Origin header set by nginz is set for all subdomains of .wire.com including wire.com. This means that if somebody were to find an XSS vector in any of the...

CVE-2025-62523

PILOS Platform for Interactive Live-Online Seminars is a frontend for BigBlueButton. PILOS before 4.8.0 includes a Cross-Origin Resource Sharing CORS misconfiguration in its middleware: it reflects the Origin request header back in the Access-Control-Allow-Origin response header without proper...

EUVD-2020-25955

Malware in sbrugna...

CVE-2024-10906: Cross-Site Request Forgery (CSRF)

In version 0.6.0 of eosphoros-ai/db-gpt, the uvicorn app created by dbgptserver uses an overly permissive instance of CORSMiddleware which sets the Access-Control-Allow-Origin to for all requests. This configuration makes all endpoints exposed by the server vulnerable to Cross-Site Request Forger...

Sensitive Data Exposure

github.com/cilium/cilium is vulnerable to Sensitive Data Exposure. The vulnerability is due to improper default configuration of the Access-Control-Allow-Origin header, which allows cross-origin requests from untrusted sources, potentially exposing sensitive information when accessing the Hubble ...

CVE-2025-23047: Exposure of Sensitive Information to an Unauthorized Actor

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. An insecure default Access-Control-Allow-Origin header value could lead to sensitive data exposure for users of Cilium versions 1.14.0 through 1.14.7, 1.15.0 through 1.15.11, and 1.16.0 through 1.16.4 who...

GHSA-66F2-XXGM-F6XP Flowise Cors Misconfiguration in packages/server/src/index.ts

Flowise is a drag & drop user interface to build a customized large language model flow. In version 1.4.3 of Flowise, A CORS misconfiguration sets the Access-Control-Allow-Origin header to all, allowing arbitrary origins to connect to the website. In the default configuration unauthenticated,...

Origin Validation Error

flowise is vulnerable to a CORS misconfiguration. The vulnerability is due to the Access-Control-Allow-Origin header being set to allow all origins, permitting arbitrary origins to connect to the website. In the default unauthenticated configuration, attackers can exploit this to make requests to...

CVE-2024-36421 GHSL-2023-234: Flowise Cors Misconfiguration in packages/server/src/index.ts

Flowise is a drag & drop user interface to build a customized large language model flow. In version 1.4.3 of Flowise, A CORS misconfiguration sets the Access-Control-Allow-Origin header to all, allowing arbitrary origins to connect to the website. In the default configuration unauthenticated,...

CVE-2024-36421

Flowise 1.4.3 is affected by a CORS misconfiguration that sets Access-Control-Allow-Origin to '*' (all origins), in the default unauthenticated configuration enabling arbitrary origins to connect. This misconfiguration may be chained with path injection to permit reading arbitrary files from the ...

CVE-2024-36421: Origin Validation Error

Flowise is a drag & drop user interface to build a customized large language model flow. In version 1.4.3 of Flowise, A CORS misconfiguration sets the Access-Control-Allow-Origin header to all, allowing arbitrary origins to connect to the website. In the default configuration unauthenticated,...