CVE-2026-32815 SiYuan: Cross-Origin WebSocket Hijacking via Authentication Bypass — Unauthenticated Information Disclosure

SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the WebSocket endpoint /ws allows unauthenticated connections when specific URL parameters are provided ?app=siyuan&id=auth&type=auth. This bypass, intended for the login page to keep the kernel alive, allows any...

CVE-2026-32815

SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the WebSocket endpoint /ws allows unauthenticated connections when specific URL parameters are provided ?app=siyuan&id=auth&type=auth. This bypass, intended for the login page to keep the kernel alive, allows any...

CVE-2026-32815

CVE-2026-32815 affects SiYuan Web UI: in versions 3.6.0 and earlier, the WebSocket endpoint /ws can accept unauthenticated connections when URL parameters (?app=siyuan&id=auth&type=auth) are supplied, enabling cross-origin WebSocket connections to receive all server push events and leak metadata ...

CVE-2026-33002

A flaw was found in Jenkins. A remote attacker could exploit a vulnerability in the origin validation of requests made through the Command Line Interface CLI WebSocket endpoint. By manipulating the Host or X-Forwarded-Host HTTP headers, an attacker can perform Domain Name System DNS rebinding...

OpenClaw Access Control Error Vulnerability (CNVD-2026-14390)

OpenClaw is an intelligent artificial assistant open-sourced by OpenClaw. OpenClaw suffers from an Access Control Error vulnerability that stems from a browser-initiated WebSocket connection that can bypass origin authentication under certain configurations, which can be exploited by an attacker ...

SiYuan 授权问题漏洞

SiYuan is a privacy-oriented personal knowledge management system developed by SiYuan. Versions of SiYuan 3.6.0 and earlier had an authorization issue vulnerability. This vulnerability stemmed from WebSocket endpoints allowing unauthenticated connections, which could lead to the disclosure of...

CVE-2026-27977

A CSRF check bypass flaw has been discovered in Next.js. In the next dev, cross-site protection for internal websocket endpoints could treat Origin: null as a bypass case even if allowedDevOrigins is configured, allowing privacy-sensitive/opaque contexts for example sandboxed documents to connect...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function through the WebSocket message handler in kernel/server/serve.go. An attacker can crash the kernel process and disrupt service availability by sending malformed JSON over an unauthenticated...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function through the WebSocket message handler in kernel/server/serve.go. An attacker can crash the kernel process and disrupt service availability by sending malformed JSON over an unauthenticated...

GHSA-3G9H-9HP4-654V SiYuan has an Unauthenticated WebSocket DoS via Auth Keepalive Bypass

Summary The SiYuan kernel WebSocket server accepts unauthenticated connections when a specific “auth keepalive” query parameter is present. After connection, incoming messages are parsed using unchecked type assertions on attacker-controlled JSON. A remote attacker can send malformed messages tha...

SiYuan has an Unauthenticated WebSocket DoS via Auth Keepalive Bypass

Summary The SiYuan kernel WebSocket server accepts unauthenticated connections when a specific “auth keepalive” query parameter is present. After connection, incoming messages are parsed using unchecked type assertions on attacker-controlled JSON. A remote attacker can send malformed messages tha...

EUVD-2026-12835

OpenClaw vulnerable to Unauthenticated Local RCE via WebSocket config.apply...

DNS Rebinding

Overview org.jenkins-ci.main:jenkins-core is an open source automation server. Affected versions of this package are vulnerable to DNS Rebinding in the origin validation process for WebSocket CLI requests due to reliance on the Host or X-Forwarded-Host HTTP headers. An attacker can bypass origin...

EUVD-2026-12845

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...

GHSA-PHHV-63FH-RRC8 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...

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 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 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 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 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...