{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-66549", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-12-04T15:52:26.550Z", "datePublished": "2025-12-05T17:47:00.748Z", "dateUpdated": "2025-12-08T19:54:01.534Z"}, "containers": {"cna": {"title": "Nextcloud Desktop discloses information when attempting to lock a file inside a end-to-end encrypted directory", "problemTypes": [{"descriptions": [{"cweId": "CWE-209", "lang": "en", "description": "CWE-209: Generation of Error Message Containing Sensitive Information", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 2.4, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h9xj-qh76-q3hw", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h9xj-qh76-q3hw"}, {"name": "https://github.com/nextcloud/desktop/pull/8330", "tags": ["x_refsource_MISC"], "url": "https://github.com/nextcloud/desktop/pull/8330"}, {"name": "https://github.com/nextcloud/desktop/commit/36d6c234d42b06a6f2e9de3e413a5c3c625edad6", "tags": ["x_refsource_MISC"], "url": "https://github.com/nextcloud/desktop/commit/36d6c234d42b06a6f2e9de3e413a5c3c625edad6"}, {"name": "https://hackerone.com/reports/3159877", "tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/3159877"}], "affected": [{"vendor": "nextcloud", "product": "security-advisories", "versions": [{"version": "< 3.16.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-12-05T17:47:00.748Z"}, "descriptions": [{"lang": "en", "value": "Nextcloud Desktop is the desktop sync client for Nextcloud. Prior to 3.16.5, when trying to manually lock a file inside an end-to-end encrypted directory, the path of the file was sent to the server unencrypted, making it possible for administrators to see it in log files. This vulnerability is fixed in 3.16.5."}], "source": {"advisory": "GHSA-h9xj-qh76-q3hw", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-12-08T19:53:50.667206Z", "id": "CVE-2025-66549", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-08T19:54:01.534Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-66549", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-12-08T19:53:50.667206Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-08T19:53:53.654Z"}}], "cna": {"title": "Nextcloud Desktop discloses information when attempting to lock a file inside a end-to-end encrypted directory", "source": {"advisory": "GHSA-h9xj-qh76-q3hw", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.4, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "nextcloud", "product": "security-advisories", "versions": [{"status": "affected", "version": "< 3.16.5"}]}], "references": [{"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h9xj-qh76-q3hw", "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h9xj-qh76-q3hw", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/nextcloud/desktop/pull/8330", "name": "https://github.com/nextcloud/desktop/pull/8330", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/nextcloud/desktop/commit/36d6c234d42b06a6f2e9de3e413a5c3c625edad6", "name": "https://github.com/nextcloud/desktop/commit/36d6c234d42b06a6f2e9de3e413a5c3c625edad6", "tags": ["x_refsource_MISC"]}, {"url": "https://hackerone.com/reports/3159877", "name": "https://hackerone.com/reports/3159877", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Nextcloud Desktop is the desktop sync client for Nextcloud. Prior to 3.16.5, when trying to manually lock a file inside an end-to-end encrypted directory, the path of the file was sent to the server unencrypted, making it possible for administrators to see it in log files. This vulnerability is fixed in 3.16.5."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-209", "description": "CWE-209: Generation of Error Message Containing Sensitive Information"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-12-05T17:47:00.748Z"}}}, "cveMetadata": {"cveId": "CVE-2025-66549", "state": "PUBLISHED", "dateUpdated": "2025-12-08T19:54:01.534Z", "dateReserved": "2025-12-04T15:52:26.550Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2025-12-05T17:47:00.748Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*", "matchCriteriaId": "C180975D-B1CA-46EA-9CE3-5F037D2A988A", "versionEndExcluding": "3.16.5", "versionStartIncluding": "3.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nextcloud Desktop is the desktop sync client for Nextcloud. Prior to 3.16.5, when trying to manually lock a file inside an end-to-end encrypted directory, the path of the file was sent to the server unencrypted, making it possible for administrators to see it in log files. This vulnerability is fixed in 3.16.5."}], "id": "CVE-2025-66549", "lastModified": "2025-12-09T18:58:22.650", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 2.4, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 2.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-12-05T18:15:58.133", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/nextcloud/desktop/commit/36d6c234d42b06a6f2e9de3e413a5c3c625edad6"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking"], "url": "https://github.com/nextcloud/desktop/pull/8330"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-h9xj-qh76-q3hw"}, {"source": "security-advisories@github.com", "tags": ["Permissions Required", "Vendor Advisory"], "url": "https://hackerone.com/reports/3159877"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-209"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}