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vuln-cve/data/2026/81xxx/CVE-2026-81633.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-81633",
"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"state": "PUBLISHED",
"assignerShortName": "EEF",
"dateReserved": "2026-08-30T17:15:01.281Z",
"datePublished": "2026-08-30T18:22:07.096Z",
"dateUpdated": "2026-08-31T15:56:01.954Z"
},
"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':resolve_node/2"
}
],
"repo": "https://github.com/ash-project/ash_graphql",
"vendor": "ash-project",
"versions": [
{
"lessThan": "1.11.0",
"status": "affected",
"version": "0.27.0",
"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':resolve_node/2"
}
],
"repo": "https://github.com/ash-project/ash_graphql",
"vendor": "ash-project",
"versions": [
{
"lessThan": "c8863ed8e5c21f1bfb6125f1d24e78443dfc6351",
"status": "affected",
"version": "365b3aedc6b36f020e6a2c7dce63fa569243bc4e",
"versionType": "git"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ash-project:ash_graphql:*:*:*:*:*:*:*:*",
"versionEndExcluding": "1.11.0",
"versionStartIncluding": "0.27.0",
"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 Männchen / EEF"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>Improper Input Validation vulnerability in ash-project ash_graphql allows an unauthenticated client to crash a relay <code>node(id: ...)</code> query with an unhandled <code>KeyError</code>.</p>\n<p><code>AshGraphql.Graphql.Resolver.resolve_node/2</code> decodes the client-supplied global ID with <code>decode_relay_id/1</code>, which only base64-decodes the string and splits it on <code>:</code> without validating the type segment. The decoded type is passed straight to <code>Map.fetch!(type_to_domain_and_resource_map, type)</code>. Because <code>fetch!</code> raises on a missing key, a relay ID whose type segment is a valid atom that is not a relay-exposed type aborts the resolver before its <code>resolve/2</code> clauses and their <code>rescue</code> handlers run, so the error never becomes a GraphQL error and may expose a stacktrace. Common resource names are easy to guess. The fix uses <code>Map.fetch/2</code> and returns an <code>Invalid node id</code> error for unknown types.</p>\n<p>This issue affects ash_graphql: from 0.27.0 before 1.11.0.</p>"
},
{
"base64": false,
"type": "text/markdown",
"value": "Improper Input Validation vulnerability in ash-project ash_graphql allows an unauthenticated client to crash a relay `node(id: ...)` query with an unhandled `KeyError`.\n\n`AshGraphql.Graphql.Resolver.resolve_node/2` decodes the client-supplied global ID with `decode_relay_id/1`, which only base64-decodes the string and splits it on `:` without validating the type segment. The decoded type is passed straight to `Map.fetch!(type_to_domain_and_resource_map, type)`. Because `fetch!` raises on a missing key, a relay ID whose type segment is a valid atom that is not a relay-exposed type aborts the resolver before its `resolve/2` clauses and their `rescue` handlers run, so the error never becomes a GraphQL error and may expose a stacktrace. Common resource names are easy to guess. The fix uses `Map.fetch/2` and returns an `Invalid node id` error for unknown types.\n\nThis issue affects ash_graphql: from 0.27.0 before 1.11.0."
}
],
"value": "Improper Input Validation vulnerability in ash-project ash_graphql allows an unauthenticated client to crash a relay node(id: ...) query with an unhandled KeyError.\n\nAshGraphql.Graphql.Resolver.resolve_node/2 decodes the client-supplied global ID with decode_relay_id/1, which only base64-decodes the string and splits it on : without validating the type segment. The decoded type is passed straight to Map.fetch!(type_to_domain_and_resource_map, type). Because fetch! raises on a missing key, a relay ID whose type segment is a valid atom that is not a relay-exposed type aborts the resolver before its resolve/2 clauses and their rescue handlers run, so the error never becomes a GraphQL error and may expose a stacktrace. Common resource names are easy to guess. The fix uses Map.fetch/2 and returns an Invalid node id error for unknown types.\n\nThis issue affects ash_graphql: from 0.27.0 before 1.11.0."
}
],
"impacts": [
{
"capecId": "CAPEC-153",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-153 Input Data Manipulation"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"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:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "CWE-20 Improper Input Validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"shortName": "EEF",
"dateUpdated": "2026-08-30T18:22:07.096Z"
},
"references": [
{
"tags": [
"vendor-advisory",
"related"
],
"url": "https://github.com/ash-project/ash_graphql/security/advisories/GHSA-mrgv-g7gf-r96h"
},
{
"tags": [
"related"
],
"url": "https://cna.erlef.org/cves/CVE-2026-81633.html"
},
{
"tags": [
"related"
],
"url": "https://osv.dev/vulnerability/EEF-CVE-2026-81633"
},
{
"tags": [
"patch"
],
"url": "https://github.com/ash-project/ash_graphql/commit/c8863ed8e5c21f1bfb6125f1d24e78443dfc6351"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Unhandled KeyError in AshGraphql relay node resolution crashes queries via an unknown type segment"
},
"adp": [
{
"references": [
{
"url": "https://github.com/ash-project/ash_graphql/security/advisories/GHSA-mrgv-g7gf-r96h",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-31T15:55:29.537905Z",
"id": "CVE-2026-81633",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-31T15:56:01.954Z"
}
}
]
}
}
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