CVE-2026-56811 Phoenix transports do not limit channel joins per connection, enabling process-exhaustion denial of service

Allocation of Resources Without Limits or Throttling vulnerability in phoenixframework phoenix Phoenix.Socket module allows an unauthenticated attacker to cause a denial of service against any endpoint that mounts a Phoenix socket with a reachable channel transport WebSocket or LongPoll. This...

EEF-CVE-2026-56811 Phoenix transports do not limit channel joins per connection, enabling process-exhaustion denial of service

Summary Allocation of Resources Without Limits or Throttling vulnerability in phoenixframework phoenix Phoenix.Socket module allows an unauthenticated attacker to cause a denial of service against any endpoint that mounts a Phoenix socket with a reachable channel transport WebSocket or LongPoll...

CVE-2026-56811

The CVE-2026-56811 issue affects the Phoenix framework (Phoenix.Socket) where transports (WebSocket/LongPoll) allow an unbounded number of channel joins per transport, enabling a single unauthenticated client to exhaust BEAM processes and cause a denial-of-service across the node. Root cause is l...

EUVD-2026-42049

Allocation of Resources Without Limits or Throttling vulnerability in phoenixframework phoenix Phoenix.Socket module allows an unauthenticated attacker to cause a denial of service against any endpoint that mounts a Phoenix socket with a reachable channel transport WebSocket or LongPoll. This...

PT-2026-56201

Name of the Vulnerable Software and Affected Versions phoenix versions 0.11.0 through 1.5.14 phoenix versions 1.6.0-rc.0 through 1.6.16 phoenix versions 1.7.0-rc.0 through 1.7.23 phoenix versions 1.8.0-rc.0 through 1.8.8 Description An unauthenticated attacker can cause a denial of service agains...

PT-2026-56202

Name of the Vulnerable Software and Affected Versions phoenix versions 1.2.0-rc.0 through 1.5.14 phoenix versions 1.6.0-rc.0 through 1.6.16 phoenix versions 1.7.0-rc.0 through 1.7.23 phoenix versions 1.8.0-rc.0 through 1.8.8 Description The Presence JavaScript client in phoenix contains an improp...

GHSA-MRHX-6PW9-Q5FH PhoenixStorybook has cross-session PubSub topic injection via URL parameter

Summary The storybook iframe LiveView accepts a PubSub topic from the URL query string and broadcasts its own pid onto that topic with no check that the topic belongs to the current session. Any unauthenticated visitor who knows or guesses another user's playground topic can hijack the...

EUVD-2026-31111

PhoenixStorybook has cross-session PubSub topic injection via URL parameter...

EUVD-2026-31114

PhoenixStorybook: Unbounded atom creation from LiveView event params atom-table DoS...

PhoenixStorybook: Unbounded atom creation from LiveView event params (atom-table DoS)

Summary An attacker who can deliver psb-assign, psb-toggle, psb-set-theme, upper-tab-navigation, lower-tab-navigation, playground-change, or playground-toggle LiveView events to a mounted Phoenix Storybook playground can flood the BEAM atom table with attacker-controlled strings, permanently...

PhoenixStorybook: Unauthenticated remote code execution via HEEx template injection in phoenix_storybook playground

Summary An unsafe HEEx template generation vulnerability allows any unauthenticated user to execute arbitrary code on the server. The phoenixstorybook playground accepts user-controlled attribute values over WebSocket and interpolates them unsanitized into a HEEx template that is subsequently...

EUVD-2026-31112

PhoenixStorybook: Unauthenticated remote code execution via HEEx template injection in phoenixstorybook playground...

GHSA-55HG-8QXV-QJ4P PhoenixStorybook: Unauthenticated remote code execution via HEEx template injection in phoenix_storybook playground

Summary An unsafe HEEx template generation vulnerability allows any unauthenticated user to execute arbitrary code on the server. The phoenixstorybook playground accepts user-controlled attribute values over WebSocket and interpolates them unsanitized into a HEEx template that is subsequently...

wisp

Wisp — the open-source Ghost alternative, built in Elixir & Ph...

CVE-2026-41032 Phoenix Contact: Unauthenticated log download vulnerability in the firmware of CHARX SEC-3xxx charging controllers

It is possible for an unauthenticated adjacent attacker to download log files of the controller, which may disclose some restricted information...

PHOENIX CONTACT多款产品 数据伪造问题漏洞

PHOENIX CONTACT AXC F 1152, among others, are controller devices produced by the German company PHOENIX CONTACT. Several products from PHOENIX CONTACT have vulnerabilities related to data manipulation. These vulnerabilities stem from the lack of a data validation mechanism when allowing remote,...

Phoenix Contact多款产品 代码问题漏洞

PHOENIX CONTACT AXC F 1152 and PHOENIX CONTACT AXC F 2152 are controller devices from the German company PHOENIX CONTACT. Several products from Phoenix Contact have code vulnerabilities. These vulnerabilities allow low-privilege local users to manipulate configuration or application-related files...

CVE-2026-8469

Allocation of Resources Without Limits or Throttling vulnerability in phenixdigital phoenixstorybook allows unauthenticated denial-of-service via BEAM atom table exhaustion. Multiple LiveView event handlers convert user-supplied event parameter strings to atoms using String.toatom/1 without...

CVE-2026-47068

Authorization Bypass Through User-Controlled Key vulnerability in phenixdigital phoenixstorybook allows cross-session PubSub topic injection via a URL query parameter. 'Elixir.PhoenixStorybook.Story.ComponentIframeLive':handleparams/3 in lib/phoenixstorybook/live/story/componentiframelive.ex read...

CVE-2026-8467

Code Injection vulnerability in phenixdigital phoenixstorybook allows unauthenticated remote code execution via unsanitized attribute value interpolation in HEEx template generation. The psb-assign WebSocket event handler in 'Elixir.PhoenixStorybook.Story.PlaygroundPreviewLive':handleevent/3...