EUVD-2026-53386

Penpot’s ::import-binfile RPC command lacks authorization on the optional file-id parameter, allowing any authenticated user to overwrite any files on the target server and subscribe to WebSocket events, enabling full data exfiltration and data poisoning...

CVE-2026-17613

The Penpot application contains a vulnerability in the ::import-binfile RPC command due to a lack of authorization on the optional file-id parameter. This flaw allows any authenticated user to overwrite arbitrary files on the target server and subscribe to WebSocket events. The practical conseque...

PYSEC-2026-3599 Open WebUI: Unauthenticated WebSocket Access to Collaborative Document Handlers (ydoc:awareness:update, ydoc:document:leave)

Summary The Socket.IO server is configured with alwaysconnect=True lines 78, 91 in backend/openwebui/socket/main.py and the connect handler line 329 never rejects unauthenticated connections. Two Ydoc event handlers have zero authentication checks, allowing unauthenticated clients to interact wit...

CVE-2026-16544 Awx: websocket eventconsumer missing authorization for inventory_update_events, project_update_events, and system_job_events allows cross-organization stdout disclosure

A flaw was found in AWX. The websocket event consumer performs RBAC authorization checks only for event groups that are mapped in the consumeraccess function jobevents, workflowevents, adhoccommandevents. Three event groups - inventoryupdateevents, projectupdateevents, and systemjobevents — are n...

CVE-2026-16544

A flaw was found in AWX. The websocket event consumer performs RBAC authorization checks only for event groups that are mapped in the consumeraccess function jobevents, workflowevents, adhoccommandevents. Three event groups - inventoryupdateevents, projectupdateevents, and systemjobevents — are n...

CVE-2026-16544 Awx: websocket eventconsumer missing authorization for inventory_update_events, project_update_events, and system_job_events allows cross-organization stdout disclosure

A flaw was found in AWX. The websocket event consumer performs RBAC authorization checks only for event groups that are mapped in the consumeraccess function jobevents, workflowevents, adhoccommandevents. Three event groups - inventoryupdateevents, projectupdateevents, and systemjobevents — are n...

PT-2026-63337

A flaw was found in AWX. The websocket event consumer performs RBAC authorization checks only for event groups that are mapped in the consumer access function job events, workflow events, ad hoc command events. Three event groups - inventory update events, project update events, and system job...

CVE-2026-3433 Mattermost fails to scope role_updated websocket events to authorized team and channel members

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to restrict roleupdated websocket event broadcasts to members of the affected team or channel which allows an authenticated attacker with guest-level access to observe permission scheme change...

GHSA-HVPH-5985-R63V Prefect Unauthenticated Event Injection via /api/events/in WebSocket

A flaw has been found in PrefectHQ prefect up to 3.6.13. Affected is an unknown function of the file /api/events/in of the component WebSocket Endpoint. Executing a manipulation can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be...

EUVD-2026-12415

Mattermost versions 11.3.x = 11.3.0 fail to preserve the redacted state of burn-on-read posts during deletion which allows channel members to access unrevealed burn-on-read message contents via the WebSocket post deletion event.. Mattermost Advisory ID: MMSA-2026-00579...

CVE-2026-2578

Mattermost versions 11.3.x = 11.3.0 fail to preserve the redacted state of burn-on-read posts during deletion which allows channel members to access unrevealed burn-on-read message contents via the WebSocket post deletion event.. Mattermost Advisory ID: MMSA-2026-00579...

CVE-2026-2578

Mattermost versions 11.3.x = 11.3.0 fail to preserve the redacted state of burn-on-read posts during deletion which allows channel members to access unrevealed burn-on-read message contents via the WebSocket post deletion event.. Mattermost Advisory ID: MMSA-2026-00579...

Authentication Bypass

Signal K Server is vulnerable to Authentication Bypass. The vulnerability is due to unauthenticated exposure of WebSocket server events and access-request status endpoints, which allows an attacker to enumerate request IDs and poll their status to steal plaintext JWT tokens and fully hijack...

EUVD-2025-206136

Signal K Server vulnerable to JWT Token Theft via WebSocket Enumeration and Unauthenticated Polling...

EUVD-2018-13775

Malware in sbrugna...

CVE-2018-21260

An issue was discovered in Mattermost Server before 4.8.1, 4.7.4, and 4.6.3. WebSocket events were accidentally sent during certain user-management operations, violating user privacy...

CVE-2024-54151 Directus allows unauthenticated access to WebSocket events and operations

Directus is a real-time API and App dashboard for managing SQL database content. Starting in version 11.0.0 and prior to version 11.3.0, when setting WEBSOCKETSGRAPHQLAUTH or WEBSOCKETSRESTAUTH to "public", an unauthenticated user is able to do any of the supported operations CRUD, subscriptions...

Directus allows unauthenticated access to WebSocket events and operations

Summary When setting WEBSOCKETSGRAPHQLAUTH or WEBSOCKETSRESTAUTH to "public", an unauthenticated user is able to do any of the supported operations CRUD, subscriptions with full admin privileges. Details Accountability for unauthenticated WebSocket requests is set to null, which used to be "publi...

GHSA-849R-QRWJ-8RV4 Directus allows unauthenticated access to WebSocket events and operations

Summary When setting WEBSOCKETSGRAPHQLAUTH or WEBSOCKETSRESTAUTH to "public", an unauthenticated user is able to do any of the supported operations CRUD, subscriptions with full admin privileges. Details Accountability for unauthenticated WebSocket requests is set to null, which used to be "publi...

Mattermost information leakage vulnerability

Mattermost is an open source collaboration platform from US-based Mattermost. Mattermost suffers from an information disclosure vulnerability that stems from an inability to clean up related websocket events sent to the currently connected client. An attacker exploiting the vulnerability could vi...