{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-67449",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-07-29T15:07:24.992Z",
        "datePublished": "2026-11-11T21:51:23.105Z",
        "dateUpdated": "2026-11-11T21:51:23.105Z"
    },
    "containers": {
        "cna": {
            "title": "Portabase: Unauthenticated path traversal in TUS webhook overwrites AES-256-GCM master key",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-22",
                            "lang": "en",
                            "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-306",
                            "lang": "en",
                            "description": "CWE-306: Missing Authentication for Critical Functionality",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 9.8,
                        "baseSeverity": "CRITICAL",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/Portabase/portabase/security/advisories/GHSA-7697-vf3j-253j",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/Portabase/portabase/security/advisories/GHSA-7697-vf3j-253j"
                },
                {
                    "name": "https://github.com/Portabase/portabase/pull/355",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/Portabase/portabase/pull/355"
                },
                {
                    "name": "https://github.com/Portabase/portabase/commit/8dcb406790728fbdbf758ec88bf000af79498fc1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/Portabase/portabase/commit/8dcb406790728fbdbf758ec88bf000af79498fc1"
                },
                {
                    "name": "https://github.com/Portabase/portabase/releases/tag/1.21.2",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/Portabase/portabase/releases/tag/1.21.2"
                }
            ],
            "affected": [
                {
                    "vendor": "Portabase",
                    "product": "portabase",
                    "versions": [
                        {
                            "version": "< 1.21.2",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-11-11T21:51:23.105Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Portabase is a database backup and restore tool for PostgreSQL, MySQL, MsSQL, MariaDB, Firebird SQL, SQLite, MongoDB, Redis, Files and Docker Volume. Prior to version 1.21.2, a path traversal in the TUS upload webhook handler (app/api/tus/hooks/route.ts) allowed an unauthenticated attacker to overwrite arbitrary files under the private data directory, including /data/private/keys/master_key.bin (the AES-256-GCM master key). This issue has been patched in version 1.21.2."
                }
            ],
            "source": {
                "advisory": "GHSA-7697-vf3j-253j",
                "discovery": "UNKNOWN"
            }
        }
    }
}