{"containers":{"cna":{"affected":[{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:divvypayhq:absinthe_federation:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Absinthe.Federation.Schema.EntitiesField'"],"packageName":"absinthe_federation","packageURL":"pkg:hex/absinthe_federation","product":"absinthe_federation","programFiles":["lib/absinthe/federation/schema/entities_field.ex"],"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"}],"repo":"https://github.com/DivvyPayHQ/absinthe_federation","vendor":"DivvyPayHQ","versions":[{"lessThan":"0.9.3","status":"affected","version":"0.1.0","versionType":"semver"}]},{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:divvypayhq:absinthe_federation:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Absinthe.Federation.Schema.EntitiesField'"],"packageName":"DivvyPayHQ/absinthe_federation","packageURL":"pkg:github/DivvyPayHQ/absinthe_federation","product":"absinthe_federation","programFiles":["lib/absinthe/federation/schema/entities_field.ex"],"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"}],"repo":"https://github.com/DivvyPayHQ/absinthe_federation","vendor":"DivvyPayHQ","versions":[{"lessThan":"c3838cda2a7f65c4893291668c223b0d6acf4516","status":"affected","version":"640a234a26b2d6fe5d9d21e00e5f4fce5645c0bf","versionType":"git"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:divvypayhq:absinthe_federation:*:*:*:*:*:*:*:*","versionEndExcluding":"0.9.3","versionStartIncluding":"0.1.0","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"AND"}],"credits":[{"lang":"en","type":"finder","value":"Peter Ullrich"},{"lang":"en","type":"remediation developer","value":"Doruk Gurleyen"},{"lang":"en","type":"analyst","value":"Jonatan Männchen / EEF"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Allocation of Resources Without Limits or Throttling vulnerability in DivvyPayHQ absinthe_federation allows an unauthenticated remote attacker to abort the Erlang VM via crafted <code>_entities</code> representation keys.</p>\n<p>Every key of every object in the <code>representations</code> argument of the federation-mandated <code>_entities</code> field is converted with <code>String.to_atom/1</code> by <code>convert_key/2</code> in <code>lib/absinthe/federation/schema/entities_field.ex</code>. <code>representations</code> is typed as the open-ended <code>_Any</code> 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.</p>\n<p>This issue affects absinthe_federation: from 0.1.0 before 0.9.3.</p>"},{"base64":false,"type":"text/markdown","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."}],"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."}],"impacts":[{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130 Excessive Allocation"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-07T16:42:22.653Z","orgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","shortName":"EEF"},"references":[{"tags":["vendor-advisory","related"],"url":"https://github.com/DivvyPayHQ/absinthe_federation/security/advisories/GHSA-55hv-mwvr-phf3"},{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-67585.html"},{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-67585"},{"tags":["patch"],"url":"https://github.com/DivvyPayHQ/absinthe_federation/commit/c3838cda2a7f65c4893291668c223b0d6acf4516"}],"source":{"discovery":"EXTERNAL"},"title":"Atom Exhaustion via _entities Representation Keys in DivvyPayHQ absinthe_federation"}},"cveMetadata":{"assignerOrgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","assignerShortName":"EEF","cveId":"CVE-2026-67585","datePublished":"2026-08-07T16:42:22.653Z","dateReserved":"2026-08-07T10:15:01.514Z","dateUpdated":"2026-08-07T16:42:22.653Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"}