{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-82725",
        "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "state": "PUBLISHED",
        "assignerShortName": "EEF",
        "dateReserved": "2026-08-31T00:59:08.960Z",
        "datePublished": "2026-08-31T03:09:25.850Z",
        "dateUpdated": "2026-08-31T03:09:25.850Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://repo.hex.pm",
                    "cpes": [
                        "cpe:2.3:a:ash-project:ash_phoenix:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.AshPhoenix.FilterForm'"
                    ],
                    "packageName": "ash_phoenix",
                    "packageURL": "pkg:hex/ash_phoenix",
                    "product": "ash_phoenix",
                    "programFiles": [
                        "lib/ash_phoenix/filter_form/filter_form.ex"
                    ],
                    "repo": "https://github.com/ash-project/ash_phoenix",
                    "vendor": "ash-project",
                    "versions": [
                        {
                            "lessThan": "2.3.25",
                            "status": "affected",
                            "version": "0.6.0-rc.1",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "collectionURL": "https://github.com",
                    "cpes": [
                        "cpe:2.3:a:ash-project:ash_phoenix:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.AshPhoenix.FilterForm'"
                    ],
                    "packageName": "ash-project/ash_phoenix",
                    "packageURL": "pkg:github/ash-project/ash_phoenix",
                    "product": "ash_phoenix",
                    "programFiles": [
                        "lib/ash_phoenix/filter_form/filter_form.ex"
                    ],
                    "repo": "https://github.com/ash-project/ash_phoenix",
                    "vendor": "ash-project",
                    "versions": [
                        {
                            "lessThan": "a3691a3cb0947e8f2dc2c3cbff138a3e6197a15b",
                            "status": "affected",
                            "version": "06875682999938f607c970e71b6a80af90e18b3d",
                            "versionType": "git"
                        }
                    ]
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>The resource exposes an <code>AshPhoenix.FilterForm</code> whose params the attacker controls, and has a non-public relationship to data that should not be filterable.</p>"
                        },
                        {
                            "base64": false,
                            "type": "text/markdown",
                            "value": "The resource exposes an `AshPhoenix.FilterForm` whose params the attacker controls, and has a non-public relationship to data that should not be filterable."
                        }
                    ],
                    "value": "The resource exposes an AshPhoenix.FilterForm whose params the attacker controls, and has a non-public relationship to data that should not be filterable."
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "cpeMatch": [
                                {
                                    "criteria": "cpe:2.3:a:ash-project:ash_phoenix:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "2.3.25",
                                    "versionStartIncluding": "0.6.0-rc.1",
                                    "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>Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash_phoenix lets an attacker who controls filter form parameters filter across relationships the resource author marked non-public, turning the returned rows into a boolean oracle over private related data.</p>\n<p><code>AshPhoenix.FilterForm</code> resolved every relationship hop in the user-supplied <code>path</code> with <code>Ash.Resource.Info.related/2</code>, which traverses private relationships, and only checked the terminal field for publicity. <code>parse_path_and_field/2</code> also rewrote a <code>field</code> naming a relationship into an extra path segment, so <code>field=some_private_rel</code> was accepted too. Both <code>path</code> and <code>field</code> come straight from form params, and the resulting ref went to <code>Ash.Query.do_filter/2</code> without the public-only enforcement of <code>Ash.Filter.parse_input/2</code>. The fix resolves each hop with <code>Ash.Resource.Info.public_relationship/2</code>, rejecting the first non-public hop, and requires the terminal field to be public.</p>\n<p>This issue affects ash_phoenix: from 0.6.0-rc.1 before 2.3.25.</p>"
                        },
                        {
                            "base64": false,
                            "type": "text/markdown",
                            "value": "Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash_phoenix lets an attacker who controls filter form parameters filter across relationships the resource author marked non-public, turning the returned rows into a boolean oracle over private related data.\n\n`AshPhoenix.FilterForm` resolved every relationship hop in the user-supplied `path` with `Ash.Resource.Info.related/2`, which traverses private relationships, and only checked the terminal field for publicity. `parse_path_and_field/2` also rewrote a `field` naming a relationship into an extra path segment, so `field=some_private_rel` was accepted too. Both `path` and `field` come straight from form params, and the resulting ref went to `Ash.Query.do_filter/2` without the public-only enforcement of `Ash.Filter.parse_input/2`. The fix resolves each hop with `Ash.Resource.Info.public_relationship/2`, rejecting the first non-public hop, and requires the terminal field to be public.\n\nThis issue affects ash_phoenix: from 0.6.0-rc.1 before 2.3.25."
                        }
                    ],
                    "value": "Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash_phoenix lets an attacker who controls filter form parameters filter across relationships the resource author marked non-public, turning the returned rows into a boolean oracle over private related data.\n\nAshPhoenix.FilterForm resolved every relationship hop in the user-supplied path with Ash.Resource.Info.related/2, which traverses private relationships, and only checked the terminal field for publicity. parse_path_and_field/2 also rewrote a field naming a relationship into an extra path segment, so field=some_private_rel was accepted too. Both path and field come straight from form params, and the resulting ref went to Ash.Query.do_filter/2 without the public-only enforcement of Ash.Filter.parse_input/2. The fix resolves each hop with Ash.Resource.Info.public_relationship/2, rejecting the first non-public hop, and requires the terminal field to be public.\n\nThis issue affects ash_phoenix: from 0.6.0-rc.1 before 2.3.25."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-77",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-77 Manipulating User-Controlled Variables"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "attackVector": "NETWORK",
                        "baseScore": 2.3,
                        "baseSeverity": "LOW",
                        "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: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-639",
                            "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
                "shortName": "EEF",
                "dateUpdated": "2026-08-31T03:09:25.850Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory",
                        "related"
                    ],
                    "url": "https://github.com/ash-project/ash_phoenix/security/advisories/GHSA-7xhg-xphm-f458"
                },
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://cna.erlef.org/cves/CVE-2026-82725.html"
                },
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://osv.dev/vulnerability/EEF-CVE-2026-82725"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/ash-project/ash_phoenix/commit/a3691a3cb0947e8f2dc2c3cbff138a3e6197a15b"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "AshPhoenix FilterForm allows filtering across non-public relationships, disclosing private related data"
        }
    }
}