CVE-2026-74802

SiYuan versions before 3.7.4 set the WebSocket CheckOrigin handler to unconditionally return true on the admin-only /ws/network/proxy endpoint, allowing cross-site WebSocket hijacking. A malicious webpage can make the victim's SiYuan kernel proxy arbitrary network traffic, enabling authenticated ...

PT-2026-76601

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description A cross-site WebSocket hijacking issue exists in the admin-only '/ws/network/proxy' endpoint. The flaw occurs because the CheckOrigin function is configured to unconditionally return true, effectively...

CVE-2026-74802: Origin Validation Error

SiYuan versions before 3.7.4 contain a cross-site WebSocket hijacking vulnerability in the admin-only /ws/network/proxy endpoint that explicitly disables origin validation by setting CheckOrigin to unconditionally return true. Attackers can craft malicious webpages that establish WebSocket...

PT-2026-105549

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3cc2-h3v6-rqpq. This link is maintained to preserve external references. Original Description SiYuan versions before 3.7.4 contain a cross-site WebSocket hijacking vulnerability in the admin-only /ws/network/pro...

Cross-Site WebSocket Hijacking (CSWSH)

Spring for GraphQL is vulnerable to Cross-Site WebSocket Hijacking CSWSH. The vulnerability is due to insufficient protection of WebSocket connections, which allows an attacker to trick an authenticated user into visiting a malicious webpage and execute arbitrary GraphQL operations using the...

CVE-2026-66420 MeshCentral Cross-Site WebSocket Hijacking via Origin Validation Bypass on Self-Signed Certificate Deployments

MeshCentral 1.1.21 contains a cross-site WebSocket hijacking protection bypass vulnerability that allows unauthenticated remote attackers to hijack authenticated administrator sessions by exploiting an unconditional early return in the CheckWebServerOriginName function within webserver.js when...

CVE-2026-66420

MeshCentral 1.1.21 is affected by a cross-site WebSocket hijacking vulnerability caused by an unconditional early return in CheckWebServerOriginName() in webserver.js when using self-signed certificates. This allows unauthenticated remote attackers to initiate cross-origin WebSocket connections t...

CVE-2026-66420

MeshCentral 1.1.21 contains a cross-site WebSocket hijacking protection bypass vulnerability that allows unauthenticated remote attackers to hijack authenticated administrator sessions by exploiting an unconditional early return in the CheckWebServerOriginName function within webserver.js when...

CVE-2026-66420 MeshCentral Cross-Site WebSocket Hijacking via Origin Validation Bypass on Self-Signed Certificate Deployments

MeshCentral 1.1.21 contains a cross-site WebSocket hijacking protection bypass vulnerability that allows unauthenticated remote attackers to hijack authenticated administrator sessions by exploiting an unconditional early return in the CheckWebServerOriginName function within webserver.js when...

CVE-2026-66420 MeshCentral Cross-Site WebSocket Hijacking via Origin Validation Bypass on Self-Signed Certificate Deployments

MeshCentral 1.1.21 contains a cross-site WebSocket hijacking protection bypass vulnerability that allows unauthenticated remote attackers to hijack authenticated administrator sessions by exploiting an unconditional early return in the CheckWebServerOriginName function within webserver.js when...

SUSE CVE-2026-34403

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-2026-66420: Origin Validation Error

MeshCentral 1.1.21 contains a cross-site WebSocket hijacking protection bypass vulnerability that allows unauthenticated remote attackers to hijack authenticated administrator sessions by exploiting an unconditional early return in the CheckWebServerOriginName function within webserver.js when...

CVE-2026-55883 Tilt: Cross-site WebSocket hijacking of the Tilt HUD stream

Tilt defines dev environments as code for microservice apps on Kubernetes. From 0.24.0 through 0.37.3, the Tilt HUD WebSocket at /ws/view is gated by a CSRF token, but the token is served by the unauthenticated /api/websockettoken endpoint and the upgrader accepts clients that omit an Origin...

PYSEC-2026-1223 Bokeh server applications have Incomplete Origin Validation in WebSockets

This vulnerability allows for Cross-Site WebSocket Hijacking CSWSH of a deployed Bokeh server instance. Scope This vulnerability is only relevant to deployed Bokeh server instances. There is no impact on static HTML output, standalone embedded plots, or Jupyter notebook usage. This vulnerability...

GO-2026-5656 Kubetail has a Cross-Site WebSocket Hijacking issue that allows attacker to read Kubernetes logs from authenticated users in github.com/kubetail-org/kubetail/modules/cli

Kubetail has a Cross-Site WebSocket Hijacking issue that allows attacker to read Kubernetes logs from authenticated users in github.com/kubetail-org/kubetail/modules/cli. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go...

GO-2026-5449 Dozzle's Cross-Site WebSocket Hijacking (CSWSH) on exec/attach endpointsbypasses authentication in github.com/amir20/dozzle

Dozzle's Cross-Site WebSocket Hijacking CSWSH on exec/attach endpointsbypasses authentication in github.com/amir20/dozzle...

GO-2026-5181 Tilt: Cross-site WebSocket hijacking of the Tilt HUD stream in github.com/tilt-dev/tilt

Tilt: Cross-site WebSocket hijacking of the Tilt HUD stream in github.com/tilt-dev/tilt...

GO-2026-5210 Nginx-UI: Cross-Site WebSocket Hijacking (CSWSH) via missing origin validation on all WebSocket endpoints in github.com/0xJacky/Nginx-UI

Nginx-UI: Cross-Site WebSocket Hijacking CSWSH via missing origin validation on all WebSocket endpoints in github.com/0xJacky/Nginx-UI...

GHSA-6M68-R693-78QX Tilt: Cross-site WebSocket hijacking of the Tilt HUD stream

Summary The Tilt HUD WebSocket /ws/view is gated by a CSRF token, but the token is served by an unauthenticated endpoint and the upgrader accepts any client that omits an Origin header. When the HUD is network-exposed, an attacker can open the HUD stream and read the developer's session state...

Spring for GraphQL: Cross-Site WebSocket Hijacking

Spring for GraphQL applications that have enabled the WebSocket transport are vulnerable to Cross-Site WebSocket Hijacking. An attacker can trick an authenticated user into visiting a malicious page, allowing the attacker to execute arbitrary GraphQL operations with the victim's credentials...