{"affected":[{"package":{"ecosystem":"Hex","name":"absinthe_federation","purl":"pkg:hex/absinthe_federation"},"ranges":[{"events":[{"introduced":"0.1.0"},{"fixed":"0.9.3"}],"type":"SEMVER"}],"versions":["0.1.0","0.1.1","0.1.2","0.1.3","0.1.4","0.1.5","0.1.6","0.1.7","0.1.8","0.1.9","0.2.0","0.2.1","0.2.2","0.2.3","0.2.4","0.2.5","0.2.51","0.2.52","0.2.53","0.3.0","0.3.1","0.3.2","0.4.0","0.4.1","0.4.2","0.5.0","0.5.1","0.5.2","0.5.3","0.5.4","0.6.0","0.6.1","0.7.0","0.7.1","0.8.0","0.9.0","0.9.1","0.9.2"]},{"ranges":[{"events":[{"introduced":"640a234a26b2d6fe5d9d21e00e5f4fce5645c0bf"},{"fixed":"c3838cda2a7f65c4893291668c223b0d6acf4516"}],"repo":"https://github.com/DivvyPayHQ/absinthe_federation","type":"GIT"}]}],"aliases":["GHSA-55hv-mwvr-phf3","CVE-2026-67585"],"credits":[{"name":"Peter Ullrich","type":"FINDER"},{"name":"Doruk Gurleyen","type":"REMEDIATION_DEVELOPER"},{"name":"Jonatan Männchen / EEF","type":"ANALYST"}],"database_specific":{"capec_ids":["CAPEC-130"],"cpe_ids":["cpe:2.3:a:divvypayhq:absinthe_federation:*:*:*:*:*:*:*:*"],"cwe_ids":["CWE-770"]},"details":"## Summary\n\nAllocation 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.","id":"EEF-CVE-2026-67585","modified":"2026-08-07T16:42:23.201007Z","published":"2026-08-07T16:42:22.653Z","references":[{"type":"ADVISORY","url":"https://github.com/DivvyPayHQ/absinthe_federation/security/advisories/GHSA-55hv-mwvr-phf3"},{"type":"WEB","url":"https://cna.erlef.org/cves/CVE-2026-67585.html"},{"type":"FIX","url":"https://github.com/DivvyPayHQ/absinthe_federation/commit/c3838cda2a7f65c4893291668c223b0d6acf4516"},{"type":"PACKAGE","url":"https://hex.pm/packages/absinthe_federation"}],"related":[],"schema_version":"1.7.3","severity":[{"score":"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","type":"CVSS_V4"}],"summary":"Atom Exhaustion via _entities Representation Keys in DivvyPayHQ absinthe_federation","upstream":[]}