{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66551", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-12-04T15:57:22.034Z", "datePublished": "2025-12-05T17:15:16.927Z", "dateUpdated": "2025-12-05T17:15:16.927Z"}, "containers": {"cna": {"title": "Nextcloud Tables is missing an ownership check which allows moving columns into tables of other users", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w787-vwqp-8wr7", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w787-vwqp-8wr7"}, {"name": "https://github.com/nextcloud/tables/pull/1810", "tags": ["x_refsource_MISC"], "url": "https://github.com/nextcloud/tables/pull/1810"}, {"name": "https://github.com/nextcloud/tables/commit/39f24a62fb41fd7a8bda65325f8bbafdc91c731c", "tags": ["x_refsource_MISC"], "url": "https://github.com/nextcloud/tables/commit/39f24a62fb41fd7a8bda65325f8bbafdc91c731c"}, {"name": "https://hackerone.com/reports/3137895", "tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/3137895"}], "affected": [{"vendor": "nextcloud", "product": "security-advisories", "versions": [{"version": ">= 0.9.0-beta.1, < 0.9.3", "status": "affected"}, {"version": "< 0.8.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-12-05T17:15:16.927Z"}, "descriptions": [{"lang": "en", "value": "Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.6 and 0.9.3, a malicious user was able to create their own table and then move a column to a victims table. This vulnerability is fixed in 0.8.6 and 0.9.3."}], "source": {"advisory": "GHSA-w787-vwqp-8wr7", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.6 and 0.9.3, a malicious user was able to create their own table and then move a column to a victims table. This vulnerability is fixed in 0.8.6 and 0.9.3."}], "id": "CVE-2025-66551", "lastModified": "2025-12-05T18:15:58.300", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-12-05T18:15:58.300", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w787-vwqp-8wr7"}, {"source": "security-advisories@github.com", "url": "https://github.com/nextcloud/tables/commit/39f24a62fb41fd7a8bda65325f8bbafdc91c731c"}, {"source": "security-advisories@github.com", "url": "https://github.com/nextcloud/tables/pull/1810"}, {"source": "security-advisories@github.com", "url": "https://hackerone.com/reports/3137895"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

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