Report: CVE-2026-8469 - Unauthenticated denial-of-service via BEAM atom table exhaustion in phoenix_story

Report: CVE-2026-8469 - Unauthenticated denial-of-service via BEAM atom table exhaustion in phoenix_story

CVE ID :CVE-2026-8469 Published : May 20, 2026, 2:17 p.m. | 14 minutes ago Description :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 without validation: 'Elixir.PhoenixStorybook.ExtraAssignsHelpers':handle_set_variation_assign/3 interns every key of the psb-assign params map; 'Elixir.PhoenixStorybook.ExtraAssignsHelpers':handle_toggle_variation_assign/3 interns the

CVE Details

Published
May 20, 2026