CVE-2026-67585

Allocation of Resources Without Limits or Throttling vulnerability in DivvyPayHQ absinthe_federation allows an unauthenticated remote attacker to abort the Erlang VM via crafted _entities representation keys. Every key of every object in the representations argument of the federation-mandated _entities field is converted with String.to_atom/1 by convert_key/2 in lib/absinthe/federation/schema/entities_field.ex. representations is typed as the open-ended _Any scalar, so its keys bypass schema coercion and the attacker names them freely. Atoms are never garbage collected and the BEAM atom table is hard-capped (about 1,048,576 entries by default), so one request carrying tens of thousands of unique keys creates that many permanent atoms and a handful of such requests exhausts the table and aborts the node. The impact is confined to availability: no data is read or altered, and recovery requires restarting the application. This issue affects absinthe_federation: from 0.1.0 before 0.9.3.

CVSS

No CVSS.

References

Link	Resource
https://cna.erlef.org/cves/CVE-2026-67585.html
https://github.com/DivvyPayHQ/absinthe_federation/commit/c3838cda2a7f65c4893291668c223b0d6acf4516
https://github.com/DivvyPayHQ/absinthe_federation/security/advisories/GHSA-55hv-mwvr-phf3
https://osv.dev/vulnerability/EEF-CVE-2026-67585

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-07 17:17

Updated : 2026-08-12 20:52

NVD link : CVE-2026-67585

Mitre link : CVE-2026-67585

CVE.ORG link : CVE-2026-67585

JSON object : View

Products Affected

No product.

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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[{"cpes": ["cpe:2.3:a:divvypayhq:absinthe_federation:*:*:*:*:*:*:*:*"], "repo": "https://github.com/DivvyPayHQ/absinthe_federation", "vendor": "DivvyPayHQ", "modules": ["'Elixir.Absinthe.Federation.Schema.EntitiesField'"], "product": "absinthe_federation", "versions": [{"status": "affected", "version": "0.1.0", "lessThan": "0.9.3", "versionType": "semver"}], "packageURL": "pkg:hex/absinthe_federation", "packageName": "absinthe_federation", "programFiles": ["lib/absinthe/federation/schema/entities_field.ex"], "collectionURL": "https://repo.hex.pm", "defaultStatus": "unaffected", "programRoutines": [{"name": "'Elixir.Absinthe.Federation.Schema.EntitiesField':resolver/3"}, {"name": "'Elixir.Absinthe.Federation.Schema.EntitiesField':convert_keys_to_atom/2"}, {"name": "'Elixir.Absinthe.Federation.Schema.EntitiesField':convert_key/2"}]}, {"cpes": ["cpe:2.3:a:divvypayhq:absinthe_federation:*:*:*:*:*:*:*:*"], "repo": "https://github.com/DivvyPayHQ/absinthe_federation", "vendor": "DivvyPayHQ", 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"https://github.com/DivvyPayHQ/absinthe_federation/commit/c3838cda2a7f65c4893291668c223b0d6acf4516", "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}, {"url": "https://github.com/DivvyPayHQ/absinthe_federation/security/advisories/GHSA-55hv-mwvr-phf3", "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}, {"url": "https://osv.dev/vulnerability/EEF-CVE-2026-67585", "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "Allocation of Resources Without Limits or Throttling vulnerability in DivvyPayHQ absinthe_federation allows an unauthenticated remote attacker to abort the Erlang VM via crafted _entities representation keys.\n\nEvery key of every object in the representations argument of the federation-mandated _entities field is converted with String.to_atom/1 by convert_key/2 in lib/absinthe/federation/schema/entities_field.ex. representations is typed as the open-ended _Any scalar, so its keys bypass schema coercion and the attacker names them freely. Atoms are never garbage collected and the BEAM atom table is hard-capped (about 1,048,576 entries by default), so one request carrying tens of thousands of unique keys creates that many permanent atoms and a handful of such requests exhausts the table and aborts the node. The impact is confined to availability: no data is read or altered, and recovery requires restarting the application.\n\nThis issue affects absinthe_federation: from 0.1.0 before 0.9.3."}], "lastModified": "2026-08-12T20:52:13.783", "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}