AshAdmin LiveView events intern atoms from client input, exhausting the atom table (node DoS) (CVE-2026-82722) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-82722

AshAdmin LiveView events intern atoms from client input, exhausting the atom table (node DoS)

Answer in brief

CVE-2026-82722 records a Unknown severity vulnerability in AshAdmin LiveView events intern atoms from client input, exhausting the atom table (node DoS). The current sources do not mark it as known exploited. The current feed maps ash-project/ash_admin (generic), ash-project/ash_admin (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 31, 2026Updated Aug 31, 2026Source checked Aug 31, 2026First seen by HOL Aug 31, 2026Material review Aug 31, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ash-project/ash_admin (generic), ash-project/ash_admin (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
ash-project/ash_admingeneric	>=0.1.0 <1.3.1	1.3.1
ash-project/ash_admingeneric	>=98b03baa8422b94dd13e305bf08b8ee3f7232c7b <731dffa09416d68f4ad3a0b6ee146b285ca0083b	731dffa09416d68f4ad3a0b6ee146b285ca0083b

Recommended response

Check inventory. Check lockfiles and deployed manifests for ash-project/ash_admin, ash-project/ash_admin.
Review the reported fix. Update ash-project/ash_admin to 1.3.1; ash-project/ash_admin to 731dffa09416d68f4ad3a0b6ee146b285ca0083b if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 31, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 31, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 31, 2026

Sources and claim methodology

Upstream source description

Allocation of Resources Without Limits or Throttling vulnerability in ash-project ash_admin lets any client that can reach the admin LiveView exhaust the BEAM atom table and crash the entire node. Two LiveView event handlers interned atoms from unvalidated client input: AshAdmin.PageLive's set_actor built modules from the resource/domain payload with Module.concat/1, and AshAdmin.Components.Resource.Show's calculate converted every submitted form key with String.to_atom/1. Atoms are never garbage collected and the table is capped, so flooding either event with random names mints a new atom per request until the VM aborts, taking down every application on the node. The fix resolves the submitted resource/domain against the known shown resources and maps calculation keys to declared arguments, so no client-supplied string is interned. This issue affects ash_admin: from 0.1.0 before 1.3.1.

Quoted source text, attributed separately from HOL analysis.