CVE-2026-55733

CVE-2026-55733 concerns Guardian permissions AtomEncoding: when encoding permission scopes, external binary inputs are passed to String.to_atom/1 without allow-list checks, causing unbounded atom creation. Each unseen binary mints a permanent BEAM atom; the atom table is finite (~1,048,576 entrie...

EUVD-2026-51916

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-controlled binary input. Guardian.Permissions.AtomEncoding encodes permission scopes by passing arbitrary binaries to String.toatom/1. When encode/3 in...

CVE-2026-54894 Atom-table exhaustion denial of service in Guardian via unbounded atom creation from binary keys

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-influenced binary input. Guardian.Plug.Keys derives connection and session namespace keys by passing arbitrary binaries to String.toatom/1. basekey/1 in...

CVE-2026-53423 Unauthenticated denial-of-service via BEAM atom table exhaustion in membrane_mp4_plugin

Allocation of Resources Without Limits or Throttling vulnerability in membraneframework membranemp4plugin allows unauthenticated denial-of-service via BEAM atom table exhaustion. The MP4 box header parser converts each 4-byte box name to an atom using String.toatom/1 without validation...

CVE-2026-53423

CVE-2026-53423 affects membrane_mp4_plugin (Elixir/Membrane) from version 0.3.0 up to

EEF-CVE-2026-53423 Unauthenticated denial-of-service via BEAM atom table exhaustion in membrane_mp4_plugin

Summary Allocation of Resources Without Limits or Throttling vulnerability in membraneframework membrane\mp4\plugin allows unauthenticated denial-of-service via BEAM atom table exhaustion. The MP4 box header parser converts each 4-byte box name to an atom using String.to\atom/1 without validation...

PT-2026-48648

Allocation of Resources Without Limits or Throttling vulnerability in membraneframework membrane mp4 plugin allows unauthenticated denial-of-service via BEAM atom table exhaustion. The MP4 box header parser converts each 4-byte box name to an atom using String.to atom/1 without validation...

EUVD-2026-31114

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

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...

CVE-2026-34593

Ash Framework is a declarative, extensible framework for building Elixir applications. Prior to version 3.22.0, Ash.Type.Module.castinput/2 unconditionally creates a new Erlang atom via Module.concatvalue for any user-supplied binary string that starts with "Elixir.", before verifying whether the...