275 lines
13 KiB
JSON
275 lines
13 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-82747",
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"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"state": "PUBLISHED",
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"assignerShortName": "EEF",
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"dateReserved": "2026-08-31T01:00:09.774Z",
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"datePublished": "2026-09-01T04:14:57.840Z",
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"dateUpdated": "2026-09-01T12:36:50.341Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"collectionURL": "https://repo.hex.pm",
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"cpes": [
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"cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.Ash.Policy.Authorizer'"
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],
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"packageName": "ash",
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"packageURL": "pkg:hex/ash",
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"product": "ash",
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"programFiles": [
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"lib/ash/policy/authorizer/authorizer.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Ash.Policy.Authorizer':check_result/1"
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}
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],
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"repo": "https://github.com/ash-project/ash",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "3.32.2",
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"status": "affected",
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"version": "3.4.44",
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"versionType": "semver"
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}
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]
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},
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{
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"collectionURL": "https://github.com",
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"cpes": [
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"cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.Ash.Policy.Authorizer'"
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],
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"packageName": "ash-project/ash",
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"packageURL": "pkg:github/ash-project/ash",
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"product": "ash",
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"programFiles": [
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"lib/ash/policy/authorizer/authorizer.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Ash.Policy.Authorizer':check_result/1"
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}
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],
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"repo": "https://github.com/ash-project/ash",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "6eddb8ab26e45023faf0c79ebd152bb40aefda02",
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"status": "affected",
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"version": "f4a8ff53fd3b974468d73685cd3fc842ef893de3",
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"versionType": "git"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"cpeMatch": [
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{
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"criteria": "cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "3.32.2",
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"versionStartIncluding": "3.4.44",
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"vulnerable": true
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}
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],
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"negate": false,
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"operator": "OR"
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}
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],
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"operator": "AND"
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "coordinator",
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"value": "Jonatan Männchen / EEF"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "Zach Daniel / Ash Project"
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},
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{
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"lang": "en",
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"type": "reporter",
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"value": "Peter Ullrich"
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},
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{
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"lang": "en",
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"type": "finder",
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"value": "Peter Ullrich"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>Incorrect Authorization vulnerability in ash-project ash returns records that a runtime read policy denies to any actor.</p>\n<p>When a resource has an <code>access_type :runtime</code> read policy (a check evaluated per record rather than compiled to a filter), <code>Ash.Policy.Authorizer</code> decides each record in <code>check_result/1</code> (<code>lib/ash/policy/authorizer/authorizer.ex</code>) by discarding impossible policy scenarios and inspecting what remains. When every scenario for a record was impossible, meaning no policy can authorize it and it must be forbidden, the empty-scenario branch instead kept the record (<code>{[record | data], authorizer, any_forbidden?}</code>) and returned it as authorized. As a result, records the runtime read policy denies are returned to any actor. The fix forbids a record whose scenarios are all impossible.</p>\n<p>This issue affects ash: from 3.4.44 before 3.32.2.</p>"
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},
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{
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"base64": false,
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"type": "text/markdown",
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"value": "Incorrect Authorization vulnerability in ash-project ash returns records that a runtime read policy denies to any actor.\n\nWhen a resource has an `access_type :runtime` read policy (a check evaluated per record rather than compiled to a filter), `Ash.Policy.Authorizer` decides each record in `check_result/1` (`lib/ash/policy/authorizer/authorizer.ex`) by discarding impossible policy scenarios and inspecting what remains. When every scenario for a record was impossible, meaning no policy can authorize it and it must be forbidden, the empty-scenario branch instead kept the record (`{[record | data], authorizer, any_forbidden?}`) and returned it as authorized. As a result, records the runtime read policy denies are returned to any actor. The fix forbids a record whose scenarios are all impossible.\n\nThis issue affects ash: from 3.4.44 before 3.32.2."
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}
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],
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"value": "Incorrect Authorization vulnerability in ash-project ash returns records that a runtime read policy denies to any actor.\n\nWhen a resource has an access_type :runtime read policy (a check evaluated per record rather than compiled to a filter), Ash.Policy.Authorizer decides each record in check_result/1 (lib/ash/policy/authorizer/authorizer.ex) by discarding impossible policy scenarios and inspecting what remains. When every scenario for a record was impossible, meaning no policy can authorize it and it must be forbidden, the empty-scenario branch instead kept the record ({[record | data], authorizer, any_forbidden?}) and returned it as authorized. As a result, records the runtime read policy denies are returned to any actor. The fix forbids a record whose scenarios are all impossible.\n\nThis issue affects ash: from 3.4.44 before 3.32.2."
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-1",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"attackVector": "LOCAL",
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"baseScore": 5.9,
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"baseSeverity": "MEDIUM",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-863",
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"description": "CWE-863 Incorrect Authorization",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"shortName": "EEF",
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"dateUpdated": "2026-09-01T04:14:57.840Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory",
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"related"
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],
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"url": "https://github.com/ash-project/ash/security/advisories/GHSA-4259-gvr2-4xhq"
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},
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{
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"tags": [
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"related"
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],
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"url": "https://cna.erlef.org/cves/CVE-2026-82747.html"
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},
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{
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"tags": [
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"related"
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],
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-82747"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/ash-project/ash/commit/6eddb8ab26e45023faf0c79ebd152bb40aefda02"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"title": "Ash.Policy.Authorizer returns records denied by a runtime read policy to any actor"
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/ash-project/ash/security/advisories/GHSA-4259-gvr2-4xhq",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-01T12:36:21.694323Z",
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"id": "CVE-2026-82747",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-01T12:36:50.341Z"
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}
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}
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]
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}
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} |