291 lines
15 KiB
JSON
291 lines
15 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-2026-78216",
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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": "2026-08-31T00:45:02.446Z",
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"datePublished": "2026-09-08T16:42:20.908Z",
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"dateUpdated": "2026-09-08T17:27:08.856Z"
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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_lua:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshLua.Runtime'"
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],
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"packageName": "ash_lua",
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"packageURL": "pkg:hex/ash_lua",
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"product": "ash_lua",
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"programFiles": [
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"lib/ash_lua/runtime.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshLua.Runtime':run_read_operation/5"
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}
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],
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"repo": "https://github.com/ash-project/ash_lua",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "0.2.2",
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"status": "affected",
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"version": "0.1.0",
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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_lua:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshLua.Runtime'"
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],
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"packageName": "ash-project/ash_lua",
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"packageURL": "pkg:github/ash-project/ash_lua",
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"product": "ash_lua",
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"programFiles": [
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"lib/ash_lua/runtime.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshLua.Runtime':run_read_operation/5"
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}
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],
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"repo": "https://github.com/ash-project/ash_lua",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "266a5dcc56d5015b6d316c10606169e753b07450",
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"status": "affected",
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"version": "8675e47cca81f36594083a7e63379bac9e123e72",
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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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"configurations": [
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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>Reachable only when an application exposes an AshLua <code>eval</code> action over a resource whose field policies restrict a field that the calling actor can still name as an operation aggregate (for example a <code>public? true</code> but field-policy-protected attribute).</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": "Reachable only when an application exposes an AshLua `eval` action over a resource whose field policies restrict a field that the calling actor can still name as an operation aggregate (for example a `public? true` but field-policy-protected attribute)."
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}
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],
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"value": "Reachable only when an application exposes an AshLua eval action over a resource whose field policies restrict a field that the calling actor can still name as an operation aggregate (for example a public? true but field-policy-protected attribute)."
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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_lua:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "0.2.2",
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"versionStartIncluding": "0.1.0",
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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": "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": "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": "finder",
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"value": "Aaron Hong / Remedy"
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}
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],
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"dateAssigned": "2026-09-08T15:43:48.000Z",
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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>AshLua exposes Ash read actions to Lua scripts run through an <code>eval</code> action. A read call accepts an <code>operation</code> (<code>list</code>, <code>min</code>, <code>max</code>, <code>first</code>, <code>sum</code>, <code>avg</code>) that builds an ad-hoc <code>Ash.Query.Aggregate</code> over a named field and returns its raw value.</p>\n<p>Ash field policies redact forbidden fields on returned records (replacing them with <code>%Ash.ForbiddenField{}</code>), but that redaction does not apply to aggregate values. A script could therefore read a field the calling actor's field policies forbid by requesting it as an aggregate instead of as a field. This includes fields that are <code>public? true</code> but restricted per-actor by a field policy, such as sensitive PII. The prior hardening only enforced the exposed-field allow-list (field visibility), which is a separate axis from per-actor field-policy authorization.</p>\n<p>The fix authorizes the aggregated field against the resource's field policies, so aggregating over a field the actor may not see is refused or scoped to the rows where it is visible.</p>\n<p>This issue affects ash_lua: from 0.1.0 before 0.2.2.</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": "AshLua exposes Ash read actions to Lua scripts run through an `eval` action. A read call accepts an `operation` (`list`, `min`, `max`, `first`, `sum`, `avg`) that builds an ad-hoc `Ash.Query.Aggregate` over a named field and returns its raw value.\n\nAsh field policies redact forbidden fields on returned records (replacing them with `%Ash.ForbiddenField{}`), but that redaction does not apply to aggregate values. A script could therefore read a field the calling actor's field policies forbid by requesting it as an aggregate instead of as a field. This includes fields that are `public? true` but restricted per-actor by a field policy, such as sensitive PII. The prior hardening only enforced the exposed-field allow-list (field visibility), which is a separate axis from per-actor field-policy authorization.\n\nThe fix authorizes the aggregated field against the resource's field policies, so aggregating over a field the actor may not see is refused or scoped to the rows where it is visible.\n\nThis issue affects ash_lua: from 0.1.0 before 0.2.2."
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}
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],
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"value": "AshLua exposes Ash read actions to Lua scripts run through an eval action. A read call accepts an operation (list, min, max, first, sum, avg) that builds an ad-hoc Ash.Query.Aggregate over a named field and returns its raw value.\n\nAsh field policies redact forbidden fields on returned records (replacing them with %Ash.ForbiddenField{}), but that redaction does not apply to aggregate values. A script could therefore read a field the calling actor's field policies forbid by requesting it as an aggregate instead of as a field. This includes fields that are public? true but restricted per-actor by a field policy, such as sensitive PII. The prior hardening only enforced the exposed-field allow-list (field visibility), which is a separate axis from per-actor field-policy authorization.\n\nThe fix authorizes the aggregated field against the resource's field policies, so aggregating over a field the actor may not see is refused or scoped to the rows where it is visible.\n\nThis issue affects ash_lua: from 0.1.0 before 0.2.2."
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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": "NETWORK",
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"baseScore": 6,
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"baseSeverity": "MEDIUM",
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"privilegesRequired": "LOW",
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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:N/AC:L/AT:P/PR:L/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-1220",
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"description": "CWE-1220 Insufficient Granularity of Access Control",
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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": "2026-09-08T16:42:20.908Z"
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},
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"references": [
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{
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"name": "GHSA-5whv-8rcp-x33j",
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"tags": [
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"vendor-advisory"
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],
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"url": "https://github.com/ash-project/ash_lua/security/advisories/GHSA-5whv-8rcp-x33j"
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},
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{
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"name": "EEF CNA record for CVE-2026-78216",
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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-2026-78216.html"
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},
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{
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"name": "OSV record EEF-CVE-2026-78216",
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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-2026-78216"
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},
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{
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"name": "Introducing commit 8675e47 in ash-project/ash_lua",
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"tags": [
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"related"
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],
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"url": "https://github.com/ash-project/ash_lua/commit/8675e47cca81f36594083a7e63379bac9e123e72"
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},
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{
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"name": "Fix commit 266a5dc in ash-project/ash_lua",
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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_lua/commit/266a5dcc56d5015b6d316c10606169e753b07450"
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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": "AshLua eval read operations can read field-policy-protected fields via aggregates"
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},
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"adp": [
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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": "2026-09-08T17:26:34.675766Z",
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"id": "CVE-2026-78216",
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"options": [
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{
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"Exploitation": "none"
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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": "2026-09-08T17:27:08.856Z"
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}
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}
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]
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}
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} |