{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-81636", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-08-30T02:00:02.143Z", "datePublished": "2026-08-30T18:25:29.776Z", "dateUpdated": "2026-08-30T18:25:29.776Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:ash-project:ash_graphql:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshGraphql.Graphql.Resolver'"], "packageName": "ash_graphql", "packageURL": "pkg:hex/ash_graphql", "product": "ash_graphql", "programFiles": ["lib/graphql/resolver.ex"], "programRoutines": [{"name": "'Elixir.AshGraphql.Graphql.Resolver':query_complexity/3"}], "repo": "https://github.com/ash-project/ash_graphql", "vendor": "ash-project", "versions": [{"lessThan": "1.11.0", "status": "affected", "version": "0.16.23", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:ash-project:ash_graphql:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshGraphql.Graphql.Resolver'"], "packageName": "ash-project/ash_graphql", "packageURL": "pkg:github/ash-project/ash_graphql", "product": "ash_graphql", "programFiles": ["lib/graphql/resolver.ex"], "programRoutines": [{"name": "'Elixir.AshGraphql.Graphql.Resolver':query_complexity/3"}], "repo": "https://github.com/ash-project/ash_graphql", "vendor": "ash-project", "versions": [{"lessThan": "c3229f6a65cbabb32fd7ffcac881922d1b3b30ad", "status": "affected", "version": "d8a3e1b15587180ad9cb3ceeb398863d086c163b", "versionType": "git"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ash-project:ash_graphql:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.11.0", "versionStartIncluding": "0.16.23", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "credits": [{"lang": "en", "type": "finder", "value": "Peter Ullrich"}, {"lang": "en", "type": "reporter", "value": "Peter Ullrich"}, {"lang": "en", "type": "remediation developer", "value": "Zach Daniel / Ash Project"}, {"lang": "en", "type": "coordinator", "value": "Jonatan M\u00e4nnchen / EEF"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Allocation of Resources Without Limits or Throttling vulnerability in ash-project ash_graphql allows an unauthenticated client to bypass the configured GraphQL query-complexity limit and force an unbounded database read.</p>\n<p><code>AshGraphql.Graphql.Resolver.query_complexity/3</code> multiplies child complexity by the requested page size only when the argument map contains <code>:limit</code> (offset pagination). Relay connections and keyset pagination use <code>first</code> and <code>last</code>, which never match that clause and fall through to the catch-all that returns <code>child_complexity + 1</code>. A nested relay query such as <code>posts(first: 500) { edges { node { comments(first: 500) { ... } } } }</code> therefore scores as trivially cheap while materializing the full fan-out, passing an Absinthe <code>max_complexity</code> cap that rejects the equivalent <code>limit</code>-based query. The fix adds <code>first</code> and <code>last</code> clauses clamped to the action's page size.</p>\n<p>This issue affects ash_graphql: from 0.16.23 before 1.11.0.</p>"}, {"base64": false, "type": "text/markdown", "value": "Allocation of Resources Without Limits or Throttling vulnerability in ash-project ash_graphql allows an unauthenticated client to bypass the configured GraphQL query-complexity limit and force an unbounded database read.\n\n`AshGraphql.Graphql.Resolver.query_complexity/3` multiplies child complexity by the requested page size only when the argument map contains `:limit` (offset pagination). Relay connections and keyset pagination use `first` and `last`, which never match that clause and fall through to the catch-all that returns `child_complexity + 1`. A nested relay query such as `posts(first: 500) { edges { node { comments(first: 500) { ... } } } }` therefore scores as trivially cheap while materializing the full fan-out, passing an Absinthe `max_complexity` cap that rejects the equivalent `limit`-based query. The fix adds `first` and `last` clauses clamped to the action's page size.\n\nThis issue affects ash_graphql: from 0.16.23 before 1.11.0."}], "value": "Allocation of Resources Without Limits or Throttling vulnerability in ash-project ash_graphql allows an unauthenticated client to bypass the configured GraphQL query-complexity limit and force an unbounded database read.\n\nAshGraphql.Graphql.Resolver.query_complexity/3 multiplies child complexity by the requested page size only when the argument map contains :limit (offset pagination). Relay connections and keyset pagination use first and last, which never match that clause and fall through to the catch-all that returns child_complexity + 1. A nested relay query such as posts(first: 500) { edges { node { comments(first: 500) { ... } } } } therefore scores as trivially cheap while materializing the full fan-out, passing an Absinthe max_complexity cap that rejects the equivalent limit-based query. The fix adds first and last clauses clamped to the action's page size.\n\nThis issue affects ash_graphql: from 0.16.23 before 1.11.0."}], "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": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-08-30T18:25:29.776Z"}, "references": [{"tags": ["vendor-advisory", "related"], "url": "https://github.com/ash-project/ash_graphql/security/advisories/GHSA-mwc4-r9fc-h6mg"}, {"tags": ["related"], "url": "https://cna.erlef.org/cves/CVE-2026-81636.html"}, {"tags": ["related"], "url": "https://osv.dev/vulnerability/EEF-CVE-2026-81636"}, {"tags": ["patch"], "url": "https://github.com/ash-project/ash_graphql/commit/c3229f6a65cbabb32fd7ffcac881922d1b3b30ad"}], "source": {"discovery": "EXTERNAL"}, "title": "Query-complexity limit bypass via first/last pagination arguments in AshGraphql enables denial of service"}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://repo.hex.pm", "cpes": ["cpe:2.3:a:ash-project:ash_graphql:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshGraphql.Graphql.Resolver'"], "packageName": "ash_graphql", "packageURL": "pkg:hex/ash_graphql", "product": "ash_graphql", "programFiles": ["lib/graphql/resolver.ex"], "programRoutines": [{"name": "'Elixir.AshGraphql.Graphql.Resolver':query_complexity/3"}], "repo": "https://github.com/ash-project/ash_graphql", "vendor": "ash-project", "versions": [{"lessThan": "1.11.0", "status": "affected", "version": "0.16.23", "versionType": "semver"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:ash-project:ash_graphql:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["'Elixir.AshGraphql.Graphql.Resolver'"], "packageName": "ash-project/ash_graphql", "packageURL": "pkg:github/ash-project/ash_graphql", "product": "ash_graphql", "programFiles": ["lib/graphql/resolver.ex"], "programRoutines": [{"name": "'Elixir.AshGraphql.Graphql.Resolver':query_complexity/3"}], "repo": "https://github.com/ash-project/ash_graphql", "vendor": "ash-project", "versions": [{"lessThan": "c3229f6a65cbabb32fd7ffcac881922d1b3b30ad", "status": "affected", "version": "d8a3e1b15587180ad9cb3ceeb398863d086c163b", "versionType": "git"}]}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Allocation of Resources Without Limits or Throttling vulnerability in ash-project ash_graphql allows an unauthenticated client to bypass the configured GraphQL query-complexity limit and force an unbounded database read.\n\nAshGraphql.Graphql.Resolver.query_complexity/3 multiplies child complexity by the requested page size only when the argument map contains :limit (offset pagination). Relay connections and keyset pagination use first and last, which never match that clause and fall through to the catch-all that returns child_complexity + 1. A nested relay query such as posts(first: 500) { edges { node { comments(first: 500) { ... } } } } therefore scores as trivially cheap while materializing the full fan-out, passing an Absinthe max_complexity cap that rejects the equivalent limit-based query. The fix adds first and last clauses clamped to the action's page size.\n\nThis issue affects ash_graphql: from 0.16.23 before 1.11.0."}], "id": "CVE-2026-81636", "lastModified": "2026-08-30T19:17:29.543", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}, "published": "2026-08-30T19:17:29.543", "references": [{"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://cna.erlef.org/cves/CVE-2026-81636.html"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/ash-project/ash_graphql/commit/c3229f6a65cbabb32fd7ffcac881922d1b3b30ad"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/ash-project/ash_graphql/security/advisories/GHSA-mwc4-r9fc-h6mg"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://osv.dev/vulnerability/EEF-CVE-2026-81636"}], "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}

{}

{"created": "2026-08-30T19:30:17.115073+00:00", "updated": "2026-08-30T19:30:17.115080+00:00", "vendors": []}