EUVD-2026-13298

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-2026-32025 OpenClaw < 2026.2.25 - Password Brute-Force via Browser-Origin WebSocket Authentication Bypass

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...

Jenkins has a DNS rebinding vulnerability in WebSocket CLI origin validation

Jenkins 2.442 through 2.554 both inclusive, LTS 2.426.3 through LTS 2.541.2 both inclusive performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable t...

CVE-2026-33002

Jenkins versions 2.442 through 2.554 (inclusive) and LTS 2.426.3 through 2.541.2 (inclusive) are vulnerable to a DNS rebinding attack . The flaw exists in the CLI WebSocket endpoint , where the software performs origin validation by computing the expected origin using the Host or X-Forwarded-Host...

Jenkins LTS < 2.541.3 / Jenkins weekly < 2.555 Multiple Vulnerabilities

According to its its self-reported version number, the version of Jenkins running on the remote web server is Jenkins LTS prior to 2.541.3 or Jenkins weekly prior to 2.555. It is, therefore, affected by multiple vulnerabilities: - Jenkins 2.442 through 2.554 both inclusive, LTS 2.426.3 through LT...

jenkins -- multiple vulnerabilities

Jenkins Security Advisory 2026-03-18: SECURITY-3657 / CVE-2026-33001: Arbitrary file write vulnerability through specially crafted archives in Jenkins High SECURITY-3674 / CVE-2026-33002: DNS rebinding vulnerability in WebSocket CLI origin validation in Jenkins High...

CVE-2026-27977

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, in next dev, cross-site protection for internal websocket endpoints could treat Origin: null as a bypass case even if allowedDevOrigins is configured, allowing...

Next.js security vulnerabilities

Next.js is a React framework open source by Vercel. Versions of Next.js from 16.0.1 to 16.1.7 had a security vulnerability. This vulnerability stemmed from the cross-site protection of the internal WebSocket endpoint in development mode, which might treat Origin: null as an mechanism. This could...

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...

CVE-2026-28403 Textream Cross-Site WebSocket Hijacking (CSWSH) vulnerability

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-2025-56647

npm @farmfe/core before 1.7.6 is Missing Origin Validation in WebSocket. The development hot module reloading server does not validate origin when connecting to a WebSocket client. This allows attackers to surveil developers running Farm who visit their webpage and steal source code that is leake...

CVE-2025-56647

npm @farmfe/core before 1.7.6 is Missing Origin Validation in WebSocket. The development hot module reloading server does not validate origin when connecting to a WebSocket client. This allows attackers to surveil developers running Farm who visit their webpage and steal source code that is leake...

CVE-2025-56647

npm @farmfe/core before 1.7.6 is Missing Origin Validation in WebSocket. The development hot module reloading server does not validate origin when connecting to a WebSocket client. This allows attackers to surveil developers running Farm who visit their webpage and steal source code that is leake...

CVE-2025-56647

Affected product: npm @farmfe/core

CVE-2025-56647

npm @farmfe/core before 1.7.6 is Missing Origin Validation in WebSocket. The development hot module reloading server does not validate origin when connecting to a WebSocket client. This allows attackers to surveil developers running Farm who visit their webpage and steal source code that is leake...

PT-2026-7857

Name of the Vulnerable Software and Affected Versions @farmfe/core versions prior to 1.7.6 Description The development server does not validate the origin when establishing WebSocket connections. This allows attackers to monitor developers using Farm who visit a malicious webpage and potentially...

Improper Origin Validation

Bokeh is vulnerable to improper origin validation. The vulnerability is due to flawed allowlist matching of the WebSocket Origin header, which allows an attacker to register a look-alike domain or subdomain that bypasses origin checks and establish a WebSocket connection to the Bokeh server...

CVE-2026-22689

Mailpit is an email testing tool and API for developers. Prior to version 1.28.2, the Mailpit WebSocket server is configured to accept connections from any origin. This lack of Origin header validation introduces a Cross-Site WebSocket Hijacking CSWSH vulnerability. An attacker can host a malicio...

EUVD-2026-1872

Mailpit is vulnerable to Cross-Site WebSocket Hijacking CSWSH allowing unauthenticated access to emails...

GHSA-524M-Q5M7-79MM Mailpit is vulnerable to Cross-Site WebSocket Hijacking (CSWSH) allowing unauthenticated access to emails

Summary The Mailpit WebSocket server is configured to accept connections from any origin. This lack of Origin header validation introduces a Cross-Site WebSocket Hijacking CSWSH vulnerability. An attacker can host a malicious website that, when visited by a developer running Mailpit locally,...