CVE-2025-63386

A Cross-Origin Resource Sharing CORS misconfiguration vulnerability exists in Dify v1.9.1 in the /console/api/setup endpoint. The endpoint implements an insecure CORS policy that reflects any Origin header and enables Access-Control-Allow-Credentials: true, permitting arbitrary external domains t...

CVE-2025-63386

A Cross-Origin Resource Sharing CORS misconfiguration vulnerability exists in Dify v1.9.1 in the /console/api/setup endpoint. The endpoint implements an insecure CORS policy that reflects any Origin header and enables Access-Control-Allow-Credentials: true, permitting arbitrary external domains t...

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...

CVE-2025-53092

Strapi is an open source headless content management system. Strapi versions prior to 5.20.0 contain a CORS misconfiguration vulnerability in default installations. By default, Strapi reflects the value of the Origin header back in the Access-Control-Allow-Origin response header without proper...

EUVD-2021-1978

Malware in sbrugna...

CVE-2025-51605

A vulnerability exists in Shopizer version 3.2.7 , a Java-based open source e-commerce solution. The software's CORS implementation fails to validate the client-supplied Origin header , reflecting it verbatim into the Access-Control-Allow-Origin response header. Because Access-Control-Allow-Crede...

CVE-2021-39185

Http4s is a minimal, idiomatic Scala interface for HTTP services. In http4s versions 0.21.26 and prior, 0.22.0 through 0.22.2, 0.23.0, 0.23.1, and 1.0.0-M1 through 1.0.0-M24, the default CORS configuration is vulnerable to an origin reflection attack. The middleware is also susceptible to a Null...

GHSA-52CF-226F-RHR6 Default CORS config allows any origin with credentials

Impact Origin reflection attack The default CORS configuration is vulnerable to an origin reflection attack. Take the following http4s app app, using the default CORS config, running at https://vulnerable.example.com: scala val routes: HttpRoutesF = HttpRoutes.of case req if req.pathInfo ===...

Default CORS config allows any origin with credentials

Impact Origin reflection attack The default CORS configuration is vulnerable to an origin reflection attack. Take the following http4s app app, using the default CORS config, running at https://vulnerable.example.com: scala val routes: HttpRoutesF = HttpRoutes.of case req if req.pathInfo ===...

CVE-2021-39185

Http4s is a minimal, idiomatic Scala interface for HTTP services. In http4s versions 0.21.26 and prior, 0.22.0 through 0.22.2, 0.23.0, 0.23.1, and 1.0.0-M1 through 1.0.0-M24, the default CORS configuration is vulnerable to an origin reflection attack. The middleware is also susceptible to a Null...

CVE-2021-39185

Http4s is a minimal, idiomatic Scala interface for HTTP services. In http4s versions 0.21.26 and prior, 0.22.0 through 0.22.2, 0.23.0, 0.23.1, and 1.0.0-M1 through 1.0.0-M24, the default CORS configuration is vulnerable to an origin reflection attack. The middleware is also susceptible to a Null...

Design/Logic Flaw

Http4s is a minimal, idiomatic Scala interface for HTTP services. In http4s versions 0.21.26 and prior, 0.22.0 through 0.22.2, 0.23.0, 0.23.1, and 1.0.0-M1 through 1.0.0-M24, the default CORS configuration is vulnerable to an origin reflection attack. The middleware is also susceptible to a Null...

CVE-2021-39185

Http4s is a minimal, idiomatic Scala interface for HTTP services. In http4s versions 0.21.26 and prior, 0.22.0 through 0.22.2, 0.23.0, 0.23.1, and 1.0.0-M1 through 1.0.0-M24, the default CORS configuration is vulnerable to an origin reflection attack. The middleware is also susceptible to a Null...

CVE-2021-39185: Origin Validation Error

Http4s is a minimal, idiomatic Scala interface for HTTP services. In http4s versions 0.21.26 and prior, 0.22.0 through 0.22.2, 0.23.0, 0.23.1, and 1.0.0-M1 through 1.0.0-M24, the default CORS configuration is vulnerable to an origin reflection attack. The middleware is also susceptible to a Null...

CVE-2019-16517

An issue was discovered in ConnectWise Control formerly known as ScreenConnect 19.3.25270.7185. There is a CORS misconfiguration, which reflected the Origin provided by incoming requests. This allowed JavaScript running on any domain to interact with the server APIs and perform administrative...

CORStest - A Simple CORS Misconfiguration Scanner

A simple CORSmisconfiguration scanner Based on theresearch of James Kettle CORStest is a quick & dirty Python 2 tool to find Cross-Origin Resource Sharing CORS misconfigurations. It takes a text file as input which may contain a list of domain names or URLs. Currently, the following potential...

PT-2019-10198 · Olivier Poitrey · Go Cors Handler

Name of the Vulnerable Software and Affected Versions: Olivier Poitrey Go CORS handler versions 1.3.0 and earlier Description: The issue arises from the active conversion of a wildcard CORS policy into reflecting an arbitrary Origin header value, which is incompatible with the CORS security desig...