{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43967", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-05-04T18:23:25.573Z", "datePublished": "2026-05-08T15:42:34.347Z", "dateUpdated": "2026-05-09T04:18:14.810Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:absinthe-graphql:absinthe:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Absinthe.Phase.Document.Validation.UniqueFragmentNames'"], "packageName": "absinthe", "packageURL": "pkg:hex/absinthe", "product": "absinthe", "programFiles": ["lib/absinthe/phase/document/validation/unique_fragment_names.ex"], "programRoutines": [{"name": "'Elixir.Absinthe.Phase.Document.Validation.UniqueFragmentNames':run/2"}, {"name": "'Elixir.Absinthe.Phase.Document.Validation.UniqueFragmentNames':duplicate?/2"}], "repo": "https://github.com/absinthe-graphql/absinthe", "vendor": "absinthe-graphql", "versions": [{"lessThan": "1.10.2", "status": "affected", "version": "1.2.0", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:absinthe-graphql:absinthe:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.Absinthe.Phase.Document.Validation.UniqueFragmentNames'"], "packageName": "absinthe-graphql/absinthe", "packageURL": "pkg:github/absinthe-graphql/absinthe", "product": "absinthe", "programFiles": ["lib/absinthe/phase/document/validation/unique_fragment_names.ex"], "programRoutines": [{"name": "'Elixir.Absinthe.Phase.Document.Validation.UniqueFragmentNames':run/2"}, {"name": "'Elixir.Absinthe.Phase.Document.Validation.UniqueFragmentNames':duplicate?/2"}], "repo": "https://github.com/absinthe-graphql/absinthe", "vendor": "absinthe-graphql", "versions": [{"lessThan": "223600c520493dcaf95080af552c413099f92c9d", "status": "affected", "version": "0b46e3bcc06c0d3797bacd64761b908a84646c1d", "versionType": "git"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:absinthe-graphql:absinthe:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.10.2", "versionStartIncluding": "1.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "credits": [{"lang": "en", "type": "finder", "value": "Peter Ullrich"}, {"lang": "en", "type": "remediation developer", "value": "Curtis Schiewek"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Inefficient Algorithmic Complexity vulnerability in absinthe-graphql absinthe allows unauthenticated denial of service via quadratic fragment-name uniqueness validation.<p><tt>'Elixir.Absinthe.Phase.Document.Validation.UniqueFragmentNames':run/2</tt> iterates over all fragments and for each one calls <tt>duplicate?/2</tt>, which evaluates <tt>Enum.count(fragments, &amp;(&amp;1.name == name))</tt> \u2014 a full linear scan of the fragment list. 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