undici: undici: Denial of Service via unhandled error in WebSocket permessage-deflate decompression

A flaw was found in undici. A remote, unauthenticated attacker can trigger a Denial of Service DoS by sending a specially crafted compressed WebSocket payload. When this payload exceeds the 128 MiB decompressed-payload limit and contains a malformed DEFLATE byte, it causes an unhandled error in t...

CVE-2026-85622

AppFlowy-Cloud through 0.9.64 fails to validate workspace membership when establishing WebSocket connections in the establishwsconnectionv2 handler, allowing authenticated users to bind sessions to workspaces they do not belong to. Attackers can send sync Manifest messages with victim object...

CVE-2026-85622 AppFlowy-Cloud through 0.9.64 Cross-Workspace Collab Read via WebSocket

AppFlowy-Cloud through 0.9.64 fails to validate workspace membership when establishing WebSocket connections in the establishwsconnectionv2 handler, allowing authenticated users to bind sessions to workspaces they do not belong to. Attackers can send sync Manifest messages with victim object...

CVE-2026-85622

AppFlowy-Cloud through 0.9.64 fails to validate workspace membership when establishing WebSocket connections in the establishwsconnectionv2 handler, allowing authenticated users to bind sessions to workspaces they do not belong to. Attackers can send sync Manifest messages with victim object...

CVE-2026-85622 AppFlowy-Cloud through 0.9.64 Cross-Workspace Collab Read via WebSocket

AppFlowy-Cloud through 0.9.64 fails to validate workspace membership when establishing WebSocket connections in the establishwsconnectionv2 handler, allowing authenticated users to bind sessions to workspaces they do not belong to. Attackers can send sync Manifest messages with victim object...

CVE-2026-85622 AppFlowy-Cloud through 0.9.64 Cross-Workspace Collab Read via WebSocket

AppFlowy-Cloud through 0.9.64 fails to validate workspace membership when establishing WebSocket connections in the establishwsconnectionv2 handler, allowing authenticated users to bind sessions to workspaces they do not belong to. Attackers can send sync Manifest messages with victim object...

EUVD-2026-71229

AppFlowy-Cloud through 0.9.64 fails to validate workspace membership when establishing WebSocket connections in the establishwsconnectionv2 handler, allowing authenticated users to bind sessions to workspaces they do not belong to. Attackers can send sync Manifest messages with victim object...

CVE-2026-85622

AppFlowy-Cloud through 0.9.64 fails to validate workspace membership in the establish_ws_connection_v2 WebSocket handler. This allows any authenticated user to bind a session to a workspace they do not belong to, then send sync Manifest messages with victim object identifiers to read full documen...

CLSA-2026-1788514837 tomcat: Fix of CVE-2026-73180

CVE-2026-73180: track the WebSocket sessions of an authenticated HTTP session by a key held in a session attribute rather than the live session id, so they are still closed when the HTTP session ends after its id has changed upstream tomcat 9.0.121...

Denial Of Service

Spring for GraphQL is vulnerable to Denial of Service. The vulnerability is due to improper handling of the WebSocket client keepAlive feature, where the client maintains persistent connections without adequate limits and an attacker can trigger excessive resource consumption to cause a denial of...

CVE-2026-85622: Incorrect Authorization

AppFlowy-Cloud through 0.9.64 fails to validate workspace membership when establishing WebSocket connections in the establishwsconnectionv2 handler, allowing authenticated users to bind sessions to workspaces they do not belong to. Attackers can send sync Manifest messages with victim object...

PT-2026-85546

AppFlowy-Cloud through 0.9.64 fails to validate workspace membership when establishing WebSocket connections in the establish ws connection v2 handler, allowing authenticated users to bind sessions to workspaces they do not belong to. Attackers can send sync Manifest messages with victim object...

PT-2026-86161

Name of the Vulnerable Software and Affected Versions undici versions 6.7.0 through 6.28.0 undici versions 7.0.0 through 7.29.0 undici versions 8.0.0 through 8.10.1 Description The WebSocket client crashes the Node.js process during the opening handshake if a server responds with a subprotocol th...

CVE-2026-19534: Uncaught Exception

undici's WebSocket client crashes the whole Node.js process during the opening handshake when a server responds with a subprotocol that the client never requested. A default WebSocket connection sends no subprotocol, but if the server's 101 response includes a Sec-WebSocket-Protocol header, undic...

CVE-2026-19534: Uncaught Exception

undici's WebSocket client crashes the whole Node.js process during the opening handshake when a server responds with a subprotocol that the client never requested. A default WebSocket connection sends no subprotocol, but if the server's 101 response includes a Sec-WebSocket-Protocol header, undic...

CVE-2026-85024: Uncaught Exception

undici bundles a WebSocket client whose permessage-deflate size-limit cleanup removes all listeners from the internal zlib inflate stream, including its error listener, while that stream can still emit. When a remote peer sends a compressed payload that crosses the built-in 128 MiB...

CVE-2026-19534: Uncaught Exception

undici's WebSocket client crashes the whole Node.js process during the opening handshake when a server responds with a subprotocol that the client never requested. A default WebSocket connection sends no subprotocol, but if the server's 101 response includes a Sec-WebSocket-Protocol header, undic...

CVE-2026-85024: Uncaught Exception

undici bundles a WebSocket client whose permessage-deflate size-limit cleanup removes all listeners from the internal zlib inflate stream, including its error listener, while that stream can still emit. When a remote peer sends a compressed payload that crosses the built-in 128 MiB...

PT-2026-85807

Name of the Vulnerable Software and Affected Versions undici versions 6.25.0 through 6.28.0 undici versions 7.28.0 through 7.29.0 undici versions 8.1.0 through 8.10.1 Description A flaw in the WebSocket client's permessage-deflate size-limit cleanup removes all listeners from the internal zlib...

Linux Distros Unpatched Vulnerability : CVE-2026-19534

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - undici's WebSocket client crashes the whole Node.js process during the opening handshake when a server responds with a subprotocol that the client never...