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...

CVE-2026-40289

PraisonAI is a multi-agent teams system. In versions below 4.5.139 of PraisonAI and 1.5.140 of praisonaiagents, the browser bridge praisonai browser start is vulnerable to unauthenticated remote session hijacking due to missing authentication and a bypassable origin check on its /ws WebSocket...

CVE-2026-40289

PraisonAI is a multi-agent teams system. In versions below 4.5.139 of PraisonAI and 1.5.140 of praisonaiagents, the browser bridge praisonai browser start is vulnerable to unauthenticated remote session hijacking due to missing authentication and a bypassable origin check on its /ws WebSocket...

EUVD-2026-22211

PraisonAI is a multi-agent teams system. In versions below 4.5.139 of PraisonAI and 1.5.140 of praisonaiagents, the browser bridge praisonai browser start is vulnerable to unauthenticated remote session hijacking due to missing authentication and a bypassable origin check on its /ws WebSocket...

CVE-2026-40289 PraisonAI Browser Server allows unauthenticated WebSocket clients to hijack connected extension sessions

PraisonAI is a multi-agent teams system. In versions below 4.5.139 of PraisonAI and 1.5.140 of praisonaiagents, the browser bridge praisonai browser start is vulnerable to unauthenticated remote session hijacking due to missing authentication and a bypassable origin check on its /ws WebSocket...

CVE-2026-40289 PraisonAI Browser Server allows unauthenticated WebSocket clients to hijack connected extension sessions

PraisonAI is a multi-agent teams system. In versions below 4.5.139 of PraisonAI and 1.5.140 of praisonaiagents, the browser bridge praisonai browser start is vulnerable to unauthenticated remote session hijacking due to missing authentication and a bypassable origin check on its /ws WebSocket...

CVE-2026-40289

PraosionAI (versions < 4.5.139) and praisonaiagents (

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-2026-32025

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...

CVE-2026-33252

CVE-2026-33252 – Go MCP SDK CSRF risk : The Go MCP SDK’s Streamable HTTP transport uses Go’s encoding/json and, before patch 1.4.1, accepts browser-generated cross-site POST requests without validating the Origin header or enforcing Content-Type: application/json. In unauthenticated, stateless, o...

H3 has an Open Redirect via Protocol-Relative Path in redirectBack() Referer Validation

Summary The redirectBack utility in h3 validates that the Referer header shares the same origin as the request before using its pathname as the redirect Location. However, the pathname is not sanitized for protocol-relative paths starting with //. An attacker can craft a same-origin URL with a...

GHSA-FP4X-GGRF-WMC6 H3 has an Open Redirect via Protocol-Relative Path in redirectBack() Referer Validation

Summary The redirectBack utility in h3 validates that the Referer header shares the same origin as the request before using its pathname as the redirect Location. However, the pathname is not sanitized for protocol-relative paths starting with //. An attacker can craft a same-origin URL with a...

PT-2026-33848

Name of the Vulnerable Software and Affected Versions Nginx UI versions prior to 2.3.5 Description All WebSocket endpoints use a gorilla/websocket Upgrader with a configuration that unconditionally accepts all origins, enabling Cross-Site WebSocket Hijacking CSWSH. This is exacerbated by...

PT-2026-24193

Name of the Vulnerable Software and Affected Versions web-auth/webauthn-lib versions prior to 5.2.4 Description The software’s origin validation process, when using the allowed origins configuration, reduces URL-like values to their host component, accepting matches based solely on the host. This...

CVE-2026-28403

Textream is a free macOS teleprompter app. Prior to version 1.5.1, the DirectorServer WebSocket server ws://127.0.0.1: accepts connections from any origin without validating the HTTP Origin header during the WebSocket handshake. A malicious web page visited in the same browser session can silentl...

CVE-2026-26862

CleverTap Web SDK version 1.15.2 and earlier is vulnerable to DOM-based Cross-Site Scripting XSS via window.postMessage in the Visual Builder module. The origin validation in src/modules/visualBuilder/pageBuilder.js lines 56-60 uses the includes method to verify the originUrl contains...

GHSA-JFRQ-HJ9F-C8QX CleverTap Web SDK is vulnerable to DOM-based Cross-Site Scripting (XSS) via window.postMessage

CleverTap Web SDK version 1.15.2 and earlier is vulnerable to DOM-based Cross-Site Scripting XSS via window.postMessage in the Visual Builder module. The origin validation in src/modules/visualBuilder/pageBuilder.js lines 56-60 uses the includes method to verify the originUrl contains...

CVE-2026-26862

CleverTap Web SDK version 1.15.2 and earlier is vulnerable to DOM-based Cross-Site Scripting XSS via window.postMessage in the Visual Builder module. The origin validation in src/modules/visualBuilder/pageBuilder.js lines 56-60 uses the includes method to verify the originUrl contains...

CVE-2026-27192 Feathers has an origin validation bypass via prefix matching

Feathersjs is a framework for creating web APIs and real-time applications with TypeScript or JavaScript. In versions 5.0.39 and below, origin validation uses startsWith for comparison, allowing attackers to bypass the check by registering a domain that shares a common prefix with an allowed...

OpenClaw's Browser Relay /cdp websocket is missing auth which could allow cross-tab cookie access

Summary In affected versions, the Browser Relay /cdp WebSocket endpoint did not require an authentication token. As a result, a website running in the browser could potentially connect to the local relay via loopback WebSocket and use CDP to access cookies from other open tabs and run JavaScript ...