PT-2026-56074

Name of the Vulnerable Software and Affected Versions Coder versions prior to 2.29.17 Coder versions prior to 2.32.7 Coder versions prior to 2.33.8 Coder versions prior to 2.34.2 Description The workspace app proxy resolves the target app using the httpapi.RequestHost function, which prioritizes...

Improper Input Validation

Overview webpack-dev-server is an Uses webpack with a development server that provides live reloading. It should be used for development only. Affected versions of this package are vulnerable to Improper Input Validation through the host-validation process. An attacker can cause the server to...

CVE-2026-14631

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught...

CVE-2026-14631

Vulnerability overview: CVE-2026-14631 affects webpack-dev-server up to version 5.2.5. An unauthenticated peer sending a normal HTTP request with a malformed Host header or a WebSocket upgrade to /ws with a malformed Origin header triggers an uncaught exception in the host-validation path, crashi...

CVE-2026-14631 webpack-dev-server vulnerable to denial of service via a malformed Host or Origin header

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught...

CVE-2026-14631 webpack-dev-server vulnerable to denial of service via a malformed Host or Origin header

webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught...

PT-2026-55576

Name of the Vulnerable Software and Affected Versions webpack-dev-server versions prior to 5.2.6 Description An unauthenticated peer can cause the Node.js process to terminate, resulting in a denial of service. This occurs when the server receives a normal HTTP request with a malformed Host heade...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the OIDC discovery process when the X-Forwarded-Host header is not validated and no allowed-hosts list is configured. An attacker can manipulate the issuer and JWKS URI in the discovery document by supplying a...

GHSA-6G2F-W7G3-77VF 9router has an Incomplete Fix: Local-Only Access Gate Bypass in 9router via Host Header SpoofING

Summary The fix for CVE-2026-46339 unauthenticated RCE via unprotected MCP plugin routes introduced a local-only access gate in src/dashboardGuard.js that restricts spawn-capable routes /api/mcp/, /api/tunnel/, /api/cli-tools/ to loopback requests. The gate determines "local" by inspecting the Ho...

9router has an Incomplete Fix: Local-Only Access Gate Bypass in 9router via Host Header SpoofING

Summary The fix for CVE-2026-46339 unauthenticated RCE via unprotected MCP plugin routes introduced a local-only access gate in src/dashboardGuard.js that restricts spawn-capable routes /api/mcp/, /api/tunnel/, /api/cli-tools/ to loopback requests. The gate determines "local" by inspecting the Ho...

NPM: 9router has an Incomplete Fix: Local-Only Access Gate Bypass in 9router via Host Header SpoofING

NPM: 9router has an Incomplete Fix: Local-Only Access Gate Bypass in 9router via Host Header SpoofING vulnerability discovered by ? in WordPress Npm 9router versions = 0.4.55...

User Impersonation

Overview 9router is a 9Router CLI - Start and manage 9Router server Affected versions of this package are vulnerable to User Impersonation via the isLocalRequest function. An attacker can gain unauthorized access to restricted routes and interact with child processes by spoofing the Host and Orig...

EUVD-2026-37801

Steeltoe vulnerable to management-port isolation bypass via spoofed Host header...

GHSA-58F6-6RJ2-3V8R Steeltoe vulnerable to management-port isolation bypass via spoofed Host header

Summary When Steeltoe management endpoints are configured to listen on an alternate port Management:Endpoints:Port is configured, the middleware responsible for restricting access to the endpoints uses the Host HTTP header rather than the actual network socket port. Impact An unauthenticated remo...

CVE-2026-59096

Dapr Sentry's OIDC discovery endpoint derives the issuer and jwksuri of the /.well-known/openid-configuration document from the request Host, honoring an attacker-controlled X-Forwarded-Host header without validation when no allowed-hosts list is configured the default, and serves the document wi...

CVE-2026-59096

Dapr Sentry’s OIDC discovery endpoint can be poisoned: the issuer and jwks_uri in /.well-known/openid-configuration are derived from the request Host via an attacker-controlled X-Forwarded-Host when oidc-allowed-hosts is not configured, and the document is cached for one hour. This allows remote ...

CVE-2026-59096 Dapr - OIDC Discovery Issuer and JWKS URI Injection via Unvalidated X-Forwarded-Host

Dapr Sentry's OIDC discovery endpoint derives the issuer and jwksuri of the /.well-known/openid-configuration document from the request Host, honoring an attacker-controlled X-Forwarded-Host header without validation when no allowed-hosts list is configured the default, and serves the document wi...

CVE-2026-59096

Dapr Sentry's OIDC discovery endpoint derives the issuer and jwksuri of the /.well-known/openid-configuration document from the request Host, honoring an attacker-controlled X-Forwarded-Host header without validation when no allowed-hosts list is configured the default, and serves the document wi...

CVE-2026-59096 Dapr - OIDC Discovery Issuer and JWKS URI Injection via Unvalidated X-Forwarded-Host

Dapr Sentry's OIDC discovery endpoint derives the issuer and jwksuri of the /.well-known/openid-configuration document from the request Host, honoring an attacker-controlled X-Forwarded-Host header without validation when no allowed-hosts list is configured the default, and serves the document wi...

CVE-2026-55791

Craft CMS is a content management system CMS. Versions 4.0.0-RC1 and above, prior to 4.18.0 and 5.0.0-RC1, and above, prior to 5.10.0, are vulnerable to Server-Side Request Forgery SSRF and Arbitrary JavaScript Injection through the /actions/app/resource-js endpoint. By exploiting the default...