{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-78693",
        "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "state": "PUBLISHED",
        "assignerShortName": "EEF",
        "dateReserved": "2026-08-30T15:30:02.101Z",
        "datePublished": "2026-08-30T18:28:35.282Z",
        "dateUpdated": "2026-08-30T18:28:35.282Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://repo.hex.pm",
                    "cpes": [
                        "cpe:2.3:a:ash-project:ash_graphql:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.AshGraphql.Errors'"
                    ],
                    "packageName": "ash_graphql",
                    "packageURL": "pkg:hex/ash_graphql",
                    "product": "ash_graphql",
                    "programFiles": [
                        "lib/graphql/errors.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.AshGraphql.Errors':to_errors/6"
                        }
                    ],
                    "repo": "https://github.com/ash-project/ash_graphql",
                    "vendor": "ash-project",
                    "versions": [
                        {
                            "lessThan": "1.11.0",
                            "status": "affected",
                            "version": "1.9.0",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "collectionURL": "https://github.com",
                    "cpes": [
                        "cpe:2.3:a:ash-project:ash_graphql:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.AshGraphql.Errors'"
                    ],
                    "packageName": "ash-project/ash_graphql",
                    "packageURL": "pkg:github/ash-project/ash_graphql",
                    "product": "ash_graphql",
                    "programFiles": [
                        "lib/graphql/errors.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.AshGraphql.Errors':to_errors/6"
                        }
                    ],
                    "repo": "https://github.com/ash-project/ash_graphql",
                    "vendor": "ash-project",
                    "versions": [
                        {
                            "lessThan": "78e90d369f09f44c534816de541e60841066a467",
                            "status": "affected",
                            "version": "6d2d8d995906d68cc245d209a9b3f9853405eb61",
                            "versionType": "git"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "cpeMatch": [
                                {
                                    "criteria": "cpe:2.3:a:ash-project:ash_graphql:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "1.11.0",
                                    "versionStartIncluding": "1.9.0",
                                    "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>Generation of Error Message Containing Sensitive Information vulnerability in ash-project ash_graphql allows a remote client to read internal field names that an application configured its <code>error_handler</code> to redact.</p>\n<p>In <code>AshGraphql.Errors</code>, each error is passed to the configured <code>error_handler</code> and the returned map is merged with the pre-handler path via <code>Map.put_new(handled, :path, path)</code>. Because <code>put_new</code> defers to the handler only when the handler itself set <code>:path</code>, a sanitizing handler that returns a fresh map or deletes <code>:path</code> has that decision reverted. The re-injected path comes from <code>build_error_path/5</code>, which falls back to raw internal Ash attribute and argument names when no <code>field_names</code> mapping is configured. A validation failure on a non-exposed or nested field therefore returns internal names in the GraphQL error <code>path</code>, defeating the application's redaction.</p>\n<p>This issue affects ash_graphql: from 1.9.0 before 1.11.0.</p>"
                        },
                        {
                            "base64": false,
                            "type": "text/markdown",
                            "value": "Generation of Error Message Containing Sensitive Information vulnerability in ash-project ash_graphql allows a remote client to read internal field names that an application configured its `error_handler` to redact.\n\nIn `AshGraphql.Errors`, each error is passed to the configured `error_handler` and the returned map is merged with the pre-handler path via `Map.put_new(handled, :path, path)`. Because `put_new` defers to the handler only when the handler itself set `:path`, a sanitizing handler that returns a fresh map or deletes `:path` has that decision reverted. The re-injected path comes from `build_error_path/5`, which falls back to raw internal Ash attribute and argument names when no `field_names` mapping is configured. A validation failure on a non-exposed or nested field therefore returns internal names in the GraphQL error `path`, defeating the application's redaction.\n\nThis issue affects ash_graphql: from 1.9.0 before 1.11.0."
                        }
                    ],
                    "value": "Generation of Error Message Containing Sensitive Information vulnerability in ash-project ash_graphql allows a remote client to read internal field names that an application configured its error_handler to redact.\n\nIn AshGraphql.Errors, each error is passed to the configured error_handler and the returned map is merged with the pre-handler path via Map.put_new(handled, :path, path). Because put_new defers to the handler only when the handler itself set :path, a sanitizing handler that returns a fresh map or deletes :path has that decision reverted. The re-injected path comes from build_error_path/5, which falls back to raw internal Ash attribute and argument names when no field_names mapping is configured. A validation failure on a non-exposed or nested field therefore returns internal names in the GraphQL error path, defeating the application's redaction.\n\nThis issue affects ash_graphql: from 1.9.0 before 1.11.0."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-54",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-54 Query System for Information"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 6.9,
                        "baseSeverity": "MEDIUM",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/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-209",
                            "description": "CWE-209 Generation of Error Message Containing Sensitive Information",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
                "shortName": "EEF",
                "dateUpdated": "2026-08-30T18:28:35.282Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory",
                        "related"
                    ],
                    "url": "https://github.com/ash-project/ash_graphql/security/advisories/GHSA-ppr2-g9h8-w7qp"
                },
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://cna.erlef.org/cves/CVE-2026-78693.html"
                },
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://osv.dev/vulnerability/EEF-CVE-2026-78693"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/ash-project/ash_graphql/commit/78e90d369f09f44c534816de541e60841066a467"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Incomplete redaction re-attaches the original error path in AshGraphql, leaking internal field names"
        }
    }
}