EUVD-2026-44648

The Grav API plugin grav-plugin-api before 1.0.4 does not validate the origin of the client-supplied adminbaseurl field in the POST /api/v1/auth/forgot-password endpoint. The sanitizeHttpUrl function only checks that the URL scheme is http/https and never verifies the host against the server's ow...

CVE-2026-61451

The Grav API plugin grav-plugin-api before 1.0.4 does not validate the origin of the client-supplied adminbaseurl field in the POST /api/v1/auth/forgot-password endpoint. The sanitizeHttpUrl function only checks that the URL scheme is http/https and never verifies the host against the server's ow...

CVE-2026-52843: Origin Validation Error

Lightpanda is a headless browser designed for AI and automation. Prior to 0.2.9, Lightpanda fetch and XMLHttpRequest unconditionally attached session cookies to every HTTP request, ignoring credentials: omit, credentials: same-origin, credentials: include, and XMLHttpRequest.withCredentials,...

MSI Center NTIOLib_X64 Origin Validation Error Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of MSI Center. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the NTIOLibX64.sys driver...

CVE-2026-52842: Origin Validation Error

Lightpanda is a headless browser designed for AI and automation. Prior to 0.3.1, Lightpanda searched for @ across the entire URL string instead of only the authority component when computing a page origin, so a URL such as http://attacker.com/@victim.com/ was fetched from attacker.com but treated...

CVE-2026-59950: Origin Validation Error

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to 1.28.1, the deprecated mcp.server.websocket.websocketserver transport accepted WebSocket handshakes without applying Host or Origin header validation, leaving no SDK-level way to restric...

PT-2026-60349

MSI Center NTIOLib X64 Origin Validation Error Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of MSI Center. An attacker must first obtain the ability to execute low-privileged code on the target system in order...

PT-2026-60301

Name of the Vulnerable Software and Affected Versions mcp versions prior to 1.28.1 Description The MCP Python SDK, a Python implementation of the Model Context Protocol, contains an issue in the deprecated mcp.server.websocket.websocket server transport. This component accepts WebSocket handshake...

CVE-2026-56181

Origin validation error in Windows Network Address Translation NAT allows an unauthorized attacker to perform spoofing over an adjacent network...

EUVD-2026-44316

Origin validation error in Windows Network Address Translation NAT allows an unauthorized attacker to perform spoofing over an adjacent network...

Windows Network Address Translation (NAT) Spoofing Vulnerability

Origin validation error in Windows Network Address Translation NAT allows an unauthorized attacker to perform spoofing over an adjacent network...

Origin Validation Error

Overview io.vertx:vertx-core is a tool-kit for building reactive applications on the JVM. Affected versions of this package are vulnerable to Origin Validation Error in the DefaultRedirectHandler, which forwards request headers, including Authorization, Cookie, Proxy-Authorization, and custom...

PT-2026-58599

Name of the Vulnerable Software and Affected Versions Windows Network Address Translation NAT affected versions not specified Description An origin validation error in Windows Network Address Translation NAT allows an unauthorized attacker to perform spoofing over an adjacent network, enabling th...

CVE-2026-56181: Origin Validation Error

Origin validation error in Windows Network Address Translation NAT allows an unauthorized attacker to perform spoofing over an adjacent network...

CVE-2026-15076: Origin Validation Error

In versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, the WebClientSession component of Eclipse Vert.x Web Client does not validate that the Domain attribute of a Set-Cookie response header matches the originating server's domain, in violation of RFC 6265 section 5.3. An attacke...

CVE-2026-15768: Origin Validation Error

Insufficient policy enforcement in HTML-in-Canvas in Google Chrome prior to 150.0.7871.125 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: High...

Hermes Agent contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation

Hermes Agent before 0.16.0 contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. FastAPI HTTP middleware does not execute for WebSocket upgrade requests on /api/pty, /api/ws, /api/pub, and /api/events endpoints, enabling...

PYSEC-2026-2510 Hermes Agent contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation

Hermes Agent before 0.16.0 contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. FastAPI HTTP middleware does not execute for WebSocket upgrade requests on /api/pty, /api/ws, /api/pub, and /api/events endpoints, enabling...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the CheckAuth process. An attacker can gain unauthorized administrative access by sending requests from any Chrome or Chromium browser extension, allowing them to exfiltrate data, inject malicious scripts, and...

PT-2026-57366

Name of the Vulnerable Software and Affected Versions Authorizer versions prior to 2.0.1 Description The /authorize endpoint fails to validate the redirect uri parameter against a list of allowed origins. When the response type is set to token or id token, the server appends the access token, id...