{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-78216",
        "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "state": "PUBLISHED",
        "assignerShortName": "EEF",
        "dateReserved": "2026-08-31T00:45:02.446Z",
        "datePublished": "2026-09-08T16:42:20.908Z",
        "dateUpdated": "2026-09-08T17:27:08.856Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://repo.hex.pm",
                    "cpes": [
                        "cpe:2.3:a:ash-project:ash_lua:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.AshLua.Runtime'"
                    ],
                    "packageName": "ash_lua",
                    "packageURL": "pkg:hex/ash_lua",
                    "product": "ash_lua",
                    "programFiles": [
                        "lib/ash_lua/runtime.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.AshLua.Runtime':run_read_operation/5"
                        }
                    ],
                    "repo": "https://github.com/ash-project/ash_lua",
                    "vendor": "ash-project",
                    "versions": [
                        {
                            "lessThan": "0.2.2",
                            "status": "affected",
                            "version": "0.1.0",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "collectionURL": "https://github.com",
                    "cpes": [
                        "cpe:2.3:a:ash-project:ash_lua:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.AshLua.Runtime'"
                    ],
                    "packageName": "ash-project/ash_lua",
                    "packageURL": "pkg:github/ash-project/ash_lua",
                    "product": "ash_lua",
                    "programFiles": [
                        "lib/ash_lua/runtime.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.AshLua.Runtime':run_read_operation/5"
                        }
                    ],
                    "repo": "https://github.com/ash-project/ash_lua",
                    "vendor": "ash-project",
                    "versions": [
                        {
                            "lessThan": "266a5dcc56d5015b6d316c10606169e753b07450",
                            "status": "affected",
                            "version": "8675e47cca81f36594083a7e63379bac9e123e72",
                            "versionType": "git"
                        }
                    ]
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "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>"
                        },
                        {
                            "base64": false,
                            "type": "text/markdown",
                            "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)."
                        }
                    ],
                    "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)."
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "cpeMatch": [
                                {
                                    "criteria": "cpe:2.3:a:ash-project:ash_lua:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "0.2.2",
                                    "versionStartIncluding": "0.1.0",
                                    "vulnerable": true
                                }
                            ],
                            "negate": false,
                            "operator": "OR"
                        }
                    ],
                    "operator": "AND"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "remediation developer",
                    "value": "Zach Daniel / Ash Project"
                },
                {
                    "lang": "en",
                    "type": "coordinator",
                    "value": "Jonatan Männchen / EEF"
                },
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Aaron Hong / Remedy"
                }
            ],
            "dateAssigned": "2026-09-08T15:43:48.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "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>"
                        },
                        {
                            "base64": false,
                            "type": "text/markdown",
                            "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."
                        }
                    ],
                    "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."
                }
            ],
            "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-1220",
                            "description": "CWE-1220 Insufficient Granularity of Access Control",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
                "shortName": "EEF",
                "dateUpdated": "2026-09-08T16:42:20.908Z"
            },
            "references": [
                {
                    "name": "GHSA-5whv-8rcp-x33j",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://github.com/ash-project/ash_lua/security/advisories/GHSA-5whv-8rcp-x33j"
                },
                {
                    "name": "EEF CNA record for CVE-2026-78216",
                    "tags": [
                        "related"
                    ],
                    "url": "https://cna.erlef.org/cves/CVE-2026-78216.html"
                },
                {
                    "name": "OSV record EEF-CVE-2026-78216",
                    "tags": [
                        "related"
                    ],
                    "url": "https://osv.dev/vulnerability/EEF-CVE-2026-78216"
                },
                {
                    "name": "Introducing commit 8675e47 in ash-project/ash_lua",
                    "tags": [
                        "related"
                    ],
                    "url": "https://github.com/ash-project/ash_lua/commit/8675e47cca81f36594083a7e63379bac9e123e72"
                },
                {
                    "name": "Fix commit 266a5dc in ash-project/ash_lua",
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/ash-project/ash_lua/commit/266a5dcc56d5015b6d316c10606169e753b07450"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "AshLua eval read operations can read field-policy-protected fields via aggregates"
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-08T17:26:34.675766Z",
                                "id": "CVE-2026-78216",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "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": "2026-09-08T17:27:08.856Z"
                }
            }
        ]
    }
}