{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-82742", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-08-31T01:00:09.774Z", "datePublished": "2026-09-01T03:35:18.551Z", "dateUpdated": "2026-09-01T12:41:53.189Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Ash.Filter.Runtime'"], "packageName": "ash", "packageURL": "pkg:hex/ash", "product": "ash", "programFiles": ["lib/ash/filter/runtime.ex"], "programRoutines": [{"name": "'Elixir.Ash.Filter.Runtime':filter_matches/4"}, {"name": "'Elixir.Ash.Filter.Runtime':flatten_relationships/2"}], "repo": "https://github.com/ash-project/ash", "vendor": "ash-project", "versions": [{"lessThan": "3.32.2", "status": "affected", "version": "1.29.0-rc0", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Ash.Filter.Runtime'"], "packageName": "ash-project/ash", "packageURL": "pkg:github/ash-project/ash", "product": "ash", "programFiles": ["lib/ash/filter/runtime.ex"], "programRoutines": [{"name": "'Elixir.Ash.Filter.Runtime':filter_matches/4"}, {"name": "'Elixir.Ash.Filter.Runtime':flatten_relationships/2"}], "repo": "https://github.com/ash-project/ash", "vendor": "ash-project", "versions": [{"lessThan": "da07f009e889819ec410fa1f0f12534bfb9e21dd", "status": "affected", "version": "f6f5d194bfc7802bd32e48bf2eabd2d97a0109a4", "versionType": "git"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.32.2", "versionStartIncluding": "1.29.0-rc0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "credits": [{"lang": "en", "type": "finder", "value": "Peter Ullrich"}, {"lang": "en", "type": "remediation developer", "value": "Zach Daniel / Ash Project"}, {"lang": "en", "type": "coordinator", "value": "Jonatan M\u00e4nnchen / EEF"}, {"lang": "en", "type": "reporter", "value": "Peter Ullrich"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Uncontrolled Resource Consumption vulnerability in ash-project ash lets an attacker exhaust node memory by matching a filter that spans multiple to-many relationships in memory.</p>\n<p><code>Ash.Filter.Runtime</code> matches a filter against an in-memory record by first expanding the record into combinations of its related rows. <code>flatten_relationships/2</code> (<code>lib/ash/filter/runtime.ex</code>) eagerly built the full Cartesian product across the filter's to-many relationship paths, so a record with K to-many relationships of M rows each materialized on the order of M^K scenarios before any predicate was checked. 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