{"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": "2026-10-09T07:01:06.470Z"}, "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"}}}

{}

{"affected": [{"affectedData": [{"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"}]}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-101028", "lastModified": "2026-10-09T07:17:17.627", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.0, "baseSeverity": "MEDIUM", "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": "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/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": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}, "published": "2026-10-09T07:17:17.627", "references": [{"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://cna.erlef.org/cves/CVE-2026-101028.html"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/ash-project/ash/commit/30eaf1c6e8524527b703e3c4bfeff7967ee0b37c"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/ash-project/ash/commit/80936187b27ee94f15cd875affd3141b5cb23185"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/ash-project/ash/security/advisories/GHSA-xj24-8f5c-pp5p"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://osv.dev/vulnerability/EEF-CVE-2026-101028"}], "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.6.0,3.34.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[30eaf1c6e8524527b703e3c4bfeff7967ee0b37c,80936187b27ee94f15cd875affd3141b5cb23185)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "ash", "vendor": "ash-project"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.6.0,3.34.6)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ash", "source": "cna", "vendor": "ash-project"}, "product": "ash", "vendor": "ash-project"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[30eaf1c6e8524527b703e3c4bfeff7967ee0b37c,80936187b27ee94f15cd875affd3141b5cb23185)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ash", "source": "cna", "vendor": "ash-project"}, "product": "ash", "vendor": "ash-project"}], "created": "2026-10-09T08:29:25.991706+00:00", "updated": "2026-10-09T09:00:03.988896+00:00", "vendors": ["ash-project", "ash-project$PRODUCT$ash"]}