CVE-2026-67448 Mailpit: WebSocket origin check bypass via percent-encoded path (regression of CVE-2026-22689)

Mailpit is an email testing tool and API for developers. From 1.29.0 until 1.30.6, Mailpit's server/server.go origin middleware checks the raw RequestURI for the /api/ prefix while Go's ServeMux routes using the percent-decoded URL path, and server/websockets/client.go configures...

CVE-2026-67448 Mailpit: WebSocket origin check bypass via percent-encoded path (regression of CVE-2026-22689)

Mailpit is an email testing tool and API for developers. From 1.29.0 until 1.30.6, Mailpit's server/server.go origin middleware checks the raw RequestURI for the /api/ prefix while Go's ServeMux routes using the percent-decoded URL path, and server/websockets/client.go configures...

CVE-2026-67448 Mailpit: WebSocket origin check bypass via percent-encoded path (regression of CVE-2026-22689)

Mailpit is an email testing tool and API for developers. From 1.29.0 until 1.30.6, Mailpit's server/server.go origin middleware checks the raw RequestURI for the /api/ prefix while Go's ServeMux routes using the percent-decoded URL path, and server/websockets/client.go configures...

EUVD-2026-44798

MCP Python SDK: WebSocket server transport does not support Host/Origin validation...

PT-2026-56625

Name of the Vulnerable Software and Affected Versions Cline versions prior to 3.0.30 Description The Cline Hub dashboard server, initiated via the cline dashboard command, fails to validate the Origin header for WebSocket connections on the /browser endpoint. When the ROOM SECRET is unset for loc...

PYSEC-2026-883 OpenStack Compute (Nova) has Insufficient Verification of Data Authenticity

OpenStack Compute Nova before 2014.1.4, 2014.2.x before 2014.2.3, and kilo before kilo-3 does not validate the origin of websocket requests, which allows remote attackers to hijack the authentication of users for access to consoles via a crafted webpage...

The vulnerability of the Nginx UI server’s user interface lies in the lack of origin verification in WebSockets, allowing attackers to disclose confidential information.

The vulnerability of the Nginx UI server’s user interface lies in the lack of origin verification in WebSockets. Exploiting this vulnerability allows an attacker to disclose confidential information remotely...

CVE-2026-42283 DevSpace UI Server WebSocket CheckOrigin does not validate source

DevSpace is a client-only developer tool for cloud-native development with Kubernetes. Prior to 6.3.21, DevSpace's UI server WebSocket accepts connections from all origins by default, and therefore several endpoints are exposed via this WebSocket. When a developer runs the DevSpace UI and at the...

DevSpace UI Server WebSocket CheckOrigin does not validate source

Description DevSpace's UI server WebSocket accepts connections from all origins by default, and therefore several endpoints are exposed via this WebSocket. When a developer runs the DevSpace UI and at the same time uses a browser to access the internet, a malicious website they visit can use thei...

GHSA-HQWM-7X7X-8379 DevSpace UI Server WebSocket CheckOrigin does not validate source

Description DevSpace's UI server WebSocket accepts connections from all origins by default, and therefore several endpoints are exposed via this WebSocket. When a developer runs the DevSpace UI and at the same time uses a browser to access the internet, a malicious website they visit can use thei...

Regular Expression without Anchors

Overview Affected versions of this package are vulnerable to Regular Expression without Anchors through the alloworiginpat checks in websocket.py, login.py. An attacker can bypass CORS, WebSocket origin checks, and login redirect validation by supplying an Origin or Referer value that matches the...

Nginx-UI: Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

All WebSocket endpoints in nginx-ui use a gorilla/websocket Upgrader with CheckOrigin unconditionally returning true, allowing Cross-Site WebSocket Hijacking CSWSH. Combined with the fact that authentication tokens are stored in browser cookies set via JavaScript without HttpOnly or explicit...

Missing Origin Validation in WebSockets

Overview Affected versions of this package are vulnerable to Missing Origin Validation in WebSockets via missing origin validation in all WebSocket endpoints. An attacker can gain unauthorized access to authenticated WebSocket sessions by tricking a logged-in administrator into visiting a malicio...

CVE-2026-34403 Nginx-UI vulnerable to Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.5, all WebSocket endpoints in nginx-ui use a gorilla/websocket Upgrader with CheckOrigin unconditionally returning true, allowing Cross-Site WebSocket Hijacking CSWSH. Combined with the fact that authentication tokens...

PT-2026-32594

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.5.139 praisonaiagents versions prior to 1.5.140 Description The browser bridge is susceptible to unauthenticated remote session hijacking. This occurs due to a lack of authentication and a bypassable origin check ...

CVE-2026-39363

A flaw was found in Vite, a frontend tooling framework. A remote attacker can exploit this vulnerability by connecting to the Vite development server's WebSocket without an Origin header. This allows the attacker to invoke the fetchModule function, enabling them to retrieve the contents of...

CVE-2026-39363

Vite is a frontend tooling framework for JavaScript. From 6.0.0 to before 6.4.2, 7.3.2, and 8.0.5, if it is possible to connect to the Vite dev server’s WebSocket without an Origin header, an attacker can invoke fetchModule via the custom WebSocket event vite:invoke and combine file://... with ?r...

CVE-2026-32302

OpenClaw is a personal AI assistant. Prior to 2026.3.11, browser-originated WebSocket connections could bypass origin validation when gateway.auth.mode was set to trusted-proxy and the request arrived with proxy headers. A page served from an untrusted origin could connect through a trusted rever...

@grackle-ai/server has Missing WebSocket Origin Header Validation

Impact The WebSocket upgrade handler in the server validates authentication API key token or session cookie but does not check the Origin header. A malicious webpage on a different origin could initiate a WebSocket connection to ws://localhost:3000/ws if it can leverage the user's session cookie...

CVE-2026-32025

OpenClaw versions prior to 2026.2.25 contain an authentication hardening gap in browser-origin WebSocket clients that allows attackers to bypass origin checks and auth throttling on loopback deployments. An attacker can trick a user into opening a malicious webpage and perform password brute-forc...