{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-81316",
        "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "state": "PUBLISHED",
        "assignerShortName": "EEF",
        "dateReserved": "2026-08-29T23:30:01.223Z",
        "datePublished": "2026-08-30T11:59:41.945Z",
        "dateUpdated": "2026-08-30T11:59:41.945Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://repo.hex.pm",
                    "cpes": [
                        "cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.AshSql.Aggregate'"
                    ],
                    "packageName": "ash_sql",
                    "packageURL": "pkg:hex/ash_sql",
                    "product": "ash_sql",
                    "programFiles": [
                        "lib/aggregate.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.AshSql.Aggregate':different_queries?/2"
                        },
                        {
                            "name": "'Elixir.AshSql.Aggregate':add_aggregates/6"
                        }
                    ],
                    "repo": "https://github.com/ash-project/ash_sql",
                    "vendor": "ash-project",
                    "versions": [
                        {
                            "lessThan": "0.7.1",
                            "status": "affected",
                            "version": "0.1.0",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "collectionURL": "https://github.com",
                    "cpes": [
                        "cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.AshSql.Aggregate'"
                    ],
                    "packageName": "ash-project/ash_sql",
                    "packageURL": "pkg:github/ash-project/ash_sql",
                    "product": "ash_sql",
                    "programFiles": [
                        "lib/aggregate.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.AshSql.Aggregate':different_queries?/2"
                        },
                        {
                            "name": "'Elixir.AshSql.Aggregate':add_aggregates/6"
                        }
                    ],
                    "repo": "https://github.com/ash-project/ash_sql",
                    "vendor": "ash-project",
                    "versions": [
                        {
                            "lessThan": "4b95468e5434a3526571414219719c9518be6694",
                            "status": "affected",
                            "version": "dd092ed273dec7bd2194352f24a39229fc8ae68b",
                            "versionType": "git"
                        }
                    ]
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>An application must compute an aggregate whose name also reaches the query builder under a second, differently filtered context (for example the same aggregate used both as a filter dependency and loaded, where actor or tenant scoping stamps distinct filters onto each).</p>"
                        },
                        {
                            "base64": false,
                            "type": "text/markdown",
                            "value": "An application must compute an aggregate whose name also reaches the query builder under a second, differently filtered context (for example the same aggregate used both as a filter dependency and loaded, where actor or tenant scoping stamps distinct filters onto each)."
                        }
                    ],
                    "value": "An application must compute an aggregate whose name also reaches the query builder under a second, differently filtered context (for example the same aggregate used both as a filter dependency and loaded, where actor or tenant scoping stamps distinct filters onto each)."
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "cpeMatch": [
                                {
                                    "criteria": "cpe:2.3:a:ash-project:ash_sql:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "0.7.1",
                                    "versionStartIncluding": "0.1.0",
                                    "vulnerable": true
                                }
                            ],
                            "negate": false,
                            "operator": "OR"
                        }
                    ],
                    "operator": "AND"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Peter Ullrich"
                },
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Peter Ullrich"
                },
                {
                    "lang": "en",
                    "type": "remediation developer",
                    "value": "Zach Daniel / Ash Project"
                },
                {
                    "lang": "en",
                    "type": "coordinator",
                    "value": "Jonatan Männchen / EEF"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>Incorrect Authorization vulnerability in ash-project ash_sql allows a caller to receive an aggregate value computed over rows a more restrictive filter should have excluded, disclosing counts, sums, or lists across an authorization or tenancy boundary.</p>\n<p><code>AshSql.Aggregate.different_queries?/2</code> reports two aggregate queries as different only when their filter and their sort both differ. Aggregate queries rarely carry a sort, so two aggregates that share a name but carry entirely different filters compare as identical. The colliding aggregate keeps its name and is treated as already computed, and <code>select_aggregates</code> returns the first-registered variant's value. The same name reaches the builder twice with different filters when actor or tenant context is stamped into each aggregate's query, so a narrowly filtered aggregate can be served the value of a previously registered broad one.</p>\n<p>This issue affects ash_sql: from 0.1.0 before 0.7.1.</p>"
                        },
                        {
                            "base64": false,
                            "type": "text/markdown",
                            "value": "Incorrect Authorization vulnerability in ash-project ash_sql allows a caller to receive an aggregate value computed over rows a more restrictive filter should have excluded, disclosing counts, sums, or lists across an authorization or tenancy boundary.\n\n`AshSql.Aggregate.different_queries?/2` reports two aggregate queries as different only when their filter and their sort both differ. Aggregate queries rarely carry a sort, so two aggregates that share a name but carry entirely different filters compare as identical. The colliding aggregate keeps its name and is treated as already computed, and `select_aggregates` returns the first-registered variant's value. The same name reaches the builder twice with different filters when actor or tenant context is stamped into each aggregate's query, so a narrowly filtered aggregate can be served the value of a previously registered broad one.\n\nThis issue affects ash_sql: from 0.1.0 before 0.7.1."
                        }
                    ],
                    "value": "Incorrect Authorization vulnerability in ash-project ash_sql allows a caller to receive an aggregate value computed over rows a more restrictive filter should have excluded, disclosing counts, sums, or lists across an authorization or tenancy boundary.\n\nAshSql.Aggregate.different_queries?/2 reports two aggregate queries as different only when their filter and their sort both differ. Aggregate queries rarely carry a sort, so two aggregates that share a name but carry entirely different filters compare as identical. The colliding aggregate keeps its name and is treated as already computed, and select_aggregates returns the first-registered variant's value. The same name reaches the builder twice with different filters when actor or tenant context is stamped into each aggregate's query, so a narrowly filtered aggregate can be served the value of a previously registered broad one.\n\nThis issue affects ash_sql: from 0.1.0 before 0.7.1."
                }
            ],
            "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": "LOCAL",
                        "baseScore": 2.1,
                        "baseSeverity": "LOW",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "LOW",
                        "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": "2026-08-30T11:59:41.945Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory",
                        "related"
                    ],
                    "url": "https://github.com/ash-project/ash_sql/security/advisories/GHSA-v7pf-wjxc-7j5m"
                },
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://cna.erlef.org/cves/CVE-2026-81316.html"
                },
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://osv.dev/vulnerability/EEF-CVE-2026-81316"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/ash-project/ash_sql/commit/4b95468e5434a3526571414219719c9518be6694"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Same-named aggregates with differing filters are conflated in AshSql"
        }
    }
}