RHEL 8 / 9 : Red Hat Ansible Automation Platform 2.5 Product Security Update (Critical) (RHSA-2026:28376)

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:28376 advisory. Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers ca...

Node.js Module Undici 6.17.x < 6.27.0 / 7.x < 7.28.0 / 8.x < 8.5.0 DoS (CVE-2026-12151)

The nodejs module Undici detected on the host is version 6.17.x prior to 6.27.0, 7.x prior to 7.28.0, or 8.x prior to 8.5.0. It is, therefore, affected by a denial of service vulnerability: - The undici WebSocket client enforces maxPayloadSize on the cumulative byte count of fragments in a messag...

Oracle Linux 9 : jmc (ELSA-2026-20568)

The remote Oracle Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-20568 advisory. 8.2.0-5 - Remove the websocket plugin. Related: RHEL-168615 8.2.0-4 - Bump LZ4 Version to 1.10.2. Related: RHEL-135478 Tenable has extracted the...

Node.js Module Undici 8.1.x < 8.5.0 DoS (CVE-2026-9675)

The nodejs module Undici detected on the host is version 8.1.x prior to 8.5.0. It is, therefore, affected by a denial of service vulnerability: - The undici WebSocket client enforces maxPayloadSize per-frame but does not enforce the cumulative size of fragmented uncompressed messages. A malicious...

RHEL 9 : Red Hat Ansible Automation Platform 2.6 Product Security Update (Critical) (RHSA-2026:28377)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:28377 advisory. Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can...

CVE-2026-11807

A missing authorization vulnerability was found in the Event-Driven Ansible EDA websocket API. The /api/eda/ws/ansible-rulebook endpoint does not verify user permissions when processing Worker messages. Any authenticated user can send a forged message with an arbitrary activationid to receive...

CVE-2026-11807

CVE-2026-11807 affects Event-Driven Ansible (EDA) websocket API. The /api/eda/ws/ansible-rulebook endpoint fails to verify permissions when processing Worker messages, permitting any authenticated user to forge a message with an arbitrary activation_id and access plaintext credentials tied to tha...

EUVD-2026-38598

A missing authorization vulnerability was found in the Event-Driven Ansible EDA websocket API. The /api/eda/ws/ansible-rulebook endpoint does not verify user permissions when processing Worker messages. Any authenticated user can send a forged message with an arbitrary activationid to receive...

CVE-2026-11807

A missing authorization vulnerability was found in the Event-Driven Ansible EDA websocket API. The /api/eda/ws/ansible-rulebook endpoint does not verify user permissions when processing Worker messages. Any authenticated user can send a forged message with an arbitrary activationid to receive...

CVE-2026-11807 Eda-server: websocket missing authorization allows credential theft via activation_id spoofing

A missing authorization vulnerability was found in the Event-Driven Ansible EDA websocket API. The /api/eda/ws/ansible-rulebook endpoint does not verify user permissions when processing Worker messages. Any authenticated user can send a forged message with an arbitrary activationid to receive...

CVE-2026-11807 Eda-server: websocket missing authorization allows credential theft via activation_id spoofing

A missing authorization vulnerability was found in the Event-Driven Ansible EDA websocket API. The /api/eda/ws/ansible-rulebook endpoint does not verify user permissions when processing Worker messages. Any authenticated user can send a forged message with an arbitrary activationid to receive...

eda-server: websocket missing authorization allows credential theft via activation_id spoofing

A missing authorization vulnerability was found in the Event-Driven Ansible EDA websocket API. The /api/eda/ws/ansible-rulebook endpoint does not verify user permissions when processing Worker messages. Any authenticated user can send a forged message with an arbitrary activationid to receive...

Critical: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.5 Product Security Update

An update is now available for Red Hat Ansible Automation Platform 2.5 Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

Critical: Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Product Security Update

An update is now available for Red Hat Ansible Automation Platform 2.6 Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

eda-server: websocket missing authorization allows credential theft via activation_id spoofing

A missing authorization vulnerability was found in the Event-Driven Ansible EDA websocket API. The /api/eda/ws/ansible-rulebook endpoint does not verify user permissions when processing Worker messages. Any authenticated user can send a forged message with an arbitrary activationid to receive...

CVE-2026-55517

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.7.5, a Deno program that opens a client WebSocket connection could be crashed by the remote server. While handling the WebSocket handshake response, Deno parsed the Sec-WebSocket-Protocol and Sec-WebSocket-Extensions response...

CVE-2026-54324 Daytona: Cross-tenant data leak in notification WebSocket gateway via unverified organizationId join

Daytona is a secure and elastic infrastructure runtime for AI-generated code execution and agent workflows. Prior to 0.185.0, a cross-tenant authorization flaw in Daytona's notification WebSocket gateway allowed any authenticated user to subscribe to another organization's realtime notification...

CVE-2026-54324 Daytona: Cross-tenant data leak in notification WebSocket gateway via unverified organizationId join

Daytona is a secure and elastic infrastructure runtime for AI-generated code execution and agent workflows. Prior to 0.185.0, a cross-tenant authorization flaw in Daytona's notification WebSocket gateway allowed any authenticated user to subscribe to another organization's realtime notification...

CVE-2026-55517

CVE-2026-55517 affects Deno prior to 2.7.5, where a client WebSocket handshake could crash the process if the server returned non-ASCII bytes in Sec-WebSocket-Protocol or Sec-WebSocket-Extensions headers. The root cause is parsing those headers as ASCII strings, triggering a panic when non-printa...

CVE-2026-55517 Deno: Denial of service via non-ASCII bytes in WebSocket response headers

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.7.5, a Deno program that opens a client WebSocket connection could be crashed by the remote server. While handling the WebSocket handshake response, Deno parsed the Sec-WebSocket-Protocol and Sec-WebSocket-Extensions response...