CVE-2026-47067 Atom table exhaustion via unrecognized URL schemes in hackney

Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. The URL parser in src/hackneyurl.erl converts every unrecognized URL scheme to a permanent BEAM atom via binarytoatom/2. BEAM atoms are never garbage-collected and the atom table defaults to a...

CVE-2026-47067 Atom table exhaustion via unrecognized URL schemes in hackney

Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. The URL parser in src/hackneyurl.erl converts every unrecognized URL scheme to a permanent BEAM atom via binarytoatom/2. BEAM atoms are never garbage-collected and the atom table defaults to a...

CVE-2026-47067 Atom table exhaustion via unrecognized URL schemes in hackney

Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. The URL parser in src/hackneyurl.erl converts every unrecognized URL scheme to a permanent BEAM atom via binarytoatom/2. BEAM atoms are never garbage-collected and the atom table defaults to a...

CVE-2026-47067

Affected software: hackney (Erlang HTTP client). Vulnerability description: The URL parser in src/hackney_url.erl converts every unrecognized URL scheme to a permanent BEAM atom via binary_to_atom/2. BEAM atoms are never garbage-collected, and the atom table maxes out at 1,048,576 entries. An att...

CVE-2026-47077

Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. hackneyh3:awaitresponseloop/6 accumulates the HTTP/3 response body in memory without any size cap. The after Timeout clause is a per-message inactivity timer that resets on every received chunk,...

EEF-CVE-2026-47077 Unbounded body accumulation in HTTP/3 response loop in hackney

Summary Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. hackney\h3:await\response\loop/6 accumulates the HTTP/3 response body in memory without any size cap. The after Timeout clause is a per-message inactivity timer that resets on every...

PT-2026-43073

Name of the Vulnerable Software and Affected Versions hackney versions 2.0.0 through 4.0.0 Description An allocation of resources without limits or throttling allows flooding. The function await response loop/6 in hackney h3 accumulates the HTTP/3 response body in memory without a size cap. Becau...

CVE-2026-47067: Allocation of Resources Without Limits or Throttling

Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. The URL parser in src/hackneyurl.erl converts every unrecognized URL scheme to a permanent BEAM atom via binarytoatom/2. BEAM atoms are never garbage-collected and the atom table defaults to a...

Hackney 安全漏洞

Hackney is a program library from Hackney, Inc. A security vulnerability exists in Hackney versions prior to 2.0.0 to 4.0.1 that stems from the URL parser converting unrecognized URL schemes into permanent BEAM atoms, which could lead to atom table exhaustion and BEAM VM crashes...

CVE-2026-47077: Uncontrolled Resource Consumption

Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. hackneyh3:awaitresponseloop/6 accumulates the HTTP/3 response body in memory without any size cap. The after Timeout clause is a per-message inactivity timer that resets on every received chunk,...

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-2026-8469 Unauthenticated denial-of-service via BEAM atom table exhaustion in phoenix_storybook

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...

EEF-CVE-2026-8469 Unauthenticated denial-of-service via BEAM atom table exhaustion in phoenix_storybook

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

PT-2026-42180

Name of the Vulnerable Software and Affected Versions phenixdigital phoenix storybook versions 0.2.0 through 1.0.x Description An unauthenticated denial-of-service can occur via BEAM atom table exhaustion. Multiple LiveView event handlers convert user-supplied event parameter strings to atoms usi...

CVE-2026-8469: Allocation of Resources Without Limits or Throttling

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...

Bandit: Unauthenticated one-shot DoS via `Transfer-Encoding: chunked`

Summary Bandit's HTTP/1 chunked-body reader silently drops the request size cap that the application configures e.g. Plug.Parsers' default 8 MB length: and buffers the entire body in memory before the application sees it. An unauthenticated attacker can crash any Bandit-fronted Phoenix/Plug app...

GHSA-QF4G-9FQQ-MMM7 Absinthe: Unbounded atom creation from parsed directive name

Summary When Absinthe parses a GraphQL SDL document, every directive @ definition is converted into a freshly created atom without any allow-list or length cap. Because atoms are never garbage-collected and the BEAM has a hard 1,048,576 atom-table limit, any application that feeds...

CVE-2026-8466: Allocation of Resources Without Limits or Throttling

Allocation of Resources Without Limits or Throttling vulnerability in ninenines cowboy allows denial of service via unbounded buffer accumulation in multipart header parsing. cowboyreq:readpart/3 in src/cowboyreq.erl accumulates incoming request bytes into a Buffer binary with no upper-bound chec...

Operationalizing Cybersecurity Governance for Mitigation Planning with Attack-Path Modeling and Reinforcement Learning

We address a fundamental challenge in cybersecurity operations of translating governance frameworks into actionable mitigation decisions under realistic resource constraints. Frameworks such as the NIST Cybersecurity Framework CSF provide widely adopted measures of organizational maturity, but do...

Bandit's unbounded WebSocket inflate causes BEAM OOM with a single frame

Summary When a Bandit-fronted server has explicitly enabled WebSocket permessage-deflate compress: true, an unauthenticated client can OOM the BEAM with a single 6 MiB WebSocket frame. Bandit's inflate step has no output-size cap, so a small high-ratio compressed frame e.g. zeros, 1024:1 ratio...