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vuln-cve/data/2026/101xxx/CVE-2026-101028.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-101028",
"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"state": "PUBLISHED",
"assignerShortName": "EEF",
"dateReserved": "2026-10-08T15:45:02.376Z",
"datePublished": "2026-10-09T07:01:06.470Z",
"dateUpdated": "2026-10-09T18:04:24.729Z"
},
"containers": {
"cna": {
"affected": [
{
"collectionURL": "https://repo.hex.pm",
"cpes": [
"cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"modules": [
"'Elixir.Ash.Actions.Aggregate'",
"'Elixir.Ash'"
],
"packageName": "ash",
"packageURL": "pkg:hex/ash",
"product": "ash",
"programFiles": [
"lib/ash/actions/aggregate.ex",
"lib/ash.ex"
],
"programRoutines": [
{
"name": "'Elixir.Ash.Actions.Aggregate':run/4"
},
{
"name": "'Elixir.Ash':count/2"
},
{
"name": "'Elixir.Ash':exists/2"
},
{
"name": "'Elixir.Ash':aggregate/3"
}
],
"repo": "https://github.com/ash-project/ash",
"vendor": "ash-project",
"versions": [
{
"lessThan": "3.34.6",
"status": "affected",
"version": "2.6.0",
"versionType": "semver"
}
]
},
{
"collectionURL": "https://github.com",
"cpes": [
"cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"modules": [
"'Elixir.Ash.Actions.Aggregate'",
"'Elixir.Ash'"
],
"packageName": "ash-project/ash",
"packageURL": "pkg:github/ash-project/ash",
"product": "ash",
"programFiles": [
"lib/ash/actions/aggregate.ex",
"lib/ash.ex"
],
"programRoutines": [
{
"name": "'Elixir.Ash.Actions.Aggregate':run/4"
},
{
"name": "'Elixir.Ash':count/2"
},
{
"name": "'Elixir.Ash':exists/2"
},
{
"name": "'Elixir.Ash':aggregate/3"
}
],
"repo": "https://github.com/ash-project/ash",
"vendor": "ash-project",
"versions": [
{
"lessThan": "80936187b27ee94f15cd875affd3141b5cb23185",
"status": "affected",
"version": "30eaf1c6e8524527b703e3c4bfeff7967ee0b37c",
"versionType": "git"
}
]
}
],
"configurations": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>Reachable only when an application passes caller-supplied filters or sorts that cross a relationship into <code>Ash.count/2</code>, <code>Ash.exists/2</code> or <code>Ash.aggregate/3</code> (directly, through ash_lua read operations, or through AshAi count, exists or aggregate result types), and a related resource's read policy is stricter than the root resource's.</p>"
},
{
"base64": false,
"type": "text/markdown",
"value": "Reachable only when an application passes caller-supplied filters or sorts that cross a relationship into `Ash.count/2`, `Ash.exists/2` or `Ash.aggregate/3` (directly, through ash_lua read operations, or through AshAi count, exists or aggregate result types), and a related resource's read policy is stricter than the root resource's."
}
],
"value": "Reachable only when an application passes caller-supplied filters or sorts that cross a relationship into Ash.count/2, Ash.exists/2 or Ash.aggregate/3 (directly, through ash_lua read operations, or through AshAi count, exists or aggregate result types), and a related resource's read policy is stricter than the root resource's."
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*",
"versionEndExcluding": "3.34.6",
"versionStartIncluding": "2.6.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Glenn Rempe"
},
{
"lang": "en",
"type": "finder",
"value": "Glenn Rempe"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Zach Daniel / Ash Project"
}
],
"dateAssigned": "2026-10-09T00:19:31.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>Incorrect Authorization vulnerability in ash-project ash allows an actor to infer data in related records they cannot read via <code>Ash.count/2</code>, <code>Ash.exists/2</code> and <code>Ash.aggregate/3</code>.</p>\n<p><code>Ash.Actions.Aggregate.run/4</code> (<code>lib/ash/actions/aggregate.ex</code>) applied only the root resource's read policy before running the aggregate query. The read path also applies each related resource's read policy to filter and sort references that cross a relationship, directly (for example <code>comments.body</code>) or through an aggregate over one, but the aggregate path skipped that step. A caller whose filter or sort reaches these functions, for example through <code>Ash.Query.filter_input/2</code>, an ash_lua script, or an AshAi tool offering count or exists results, can test conditions against related rows hidden from them and recover their existence and attribute values one query at a time. <code>Ash.read/2</code> and its page counts are not affected.</p>\n<p>This issue affects ash: from 2.6.0 before 3.34.6.</p>"
},
{
"base64": false,
"type": "text/markdown",
"value": "Incorrect Authorization vulnerability in ash-project ash allows an actor to infer data in related records they cannot read via `Ash.count/2`, `Ash.exists/2` and `Ash.aggregate/3`.\n\n`Ash.Actions.Aggregate.run/4` (`lib/ash/actions/aggregate.ex`) applied only the root resource's read policy before running the aggregate query. The read path also applies each related resource's read policy to filter and sort references that cross a relationship, directly (for example `comments.body`) or through an aggregate over one, but the aggregate path skipped that step. A caller whose filter or sort reaches these functions, for example through `Ash.Query.filter_input/2`, an ash_lua script, or an AshAi tool offering count or exists results, can test conditions against related rows hidden from them and recover their existence and attribute values one query at a time. `Ash.read/2` and its page counts are not affected.\n\nThis issue affects ash: from 2.6.0 before 3.34.6."
}
],
"value": "Incorrect Authorization vulnerability in ash-project ash allows an actor to infer data in related records they cannot read via Ash.count/2, Ash.exists/2 and Ash.aggregate/3.\n\nAsh.Actions.Aggregate.run/4 (lib/ash/actions/aggregate.ex) applied only the root resource's read policy before running the aggregate query. The read path also applies each related resource's read policy to filter and sort references that cross a relationship, directly (for example comments.body) or through an aggregate over one, but the aggregate path skipped that step. A caller whose filter or sort reaches these functions, for example through Ash.Query.filter_input/2, an ash_lua script, or an AshAi tool offering count or exists results, can test conditions against related rows hidden from them and recover their existence and attribute values one query at a time. Ash.read/2 and its page counts are not affected.\n\nThis issue affects ash: from 2.6.0 before 3.34.6."
}
],
"impacts": [
{
"capecId": "CAPEC-1",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 6,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-863",
"description": "CWE-863 Incorrect Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"shortName": "EEF",
"dateUpdated": "2026-10-09T07:01:06.470Z"
},
"references": [
{
"name": "GHSA-xj24-8f5c-pp5p",
"tags": [
"vendor-advisory",
"related"
],
"url": "https://github.com/ash-project/ash/security/advisories/GHSA-xj24-8f5c-pp5p"
},
{
"name": "EEF CNA record for CVE-2026-101028",
"tags": [
"related"
],
"url": "https://cna.erlef.org/cves/CVE-2026-101028.html"
},
{
"name": "OSV record EEF-CVE-2026-101028",
"tags": [
"related"
],
"url": "https://osv.dev/vulnerability/EEF-CVE-2026-101028"
},
{
"name": "Introducing commit 30eaf1c in ash-project/ash",
"tags": [
"related"
],
"url": "https://github.com/ash-project/ash/commit/30eaf1c6e8524527b703e3c4bfeff7967ee0b37c"
},
{
"name": "Fix commit 8093618 in ash-project/ash",
"tags": [
"patch"
],
"url": "https://github.com/ash-project/ash/commit/80936187b27ee94f15cd875affd3141b5cb23185"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Ash.count, Ash.exists and Ash.aggregate skip related resources' read policies in filters and sorts"
},
"adp": [
{
"references": [
{
"url": "https://github.com/ash-project/ash/security/advisories/GHSA-xj24-8f5c-pp5p",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-09T18:03:54.666261Z",
"id": "CVE-2026-101028",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"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": "2026-10-09T18:04:24.729Z"
}
}
]
}
}