CVE-2026-85101

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85101", "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "state": "PUBLISHED", "assignerShortName": "synology", "dateReserved": "2026-09-03T06:09:00.163Z", "datePublished": "2026-11-12T03:40:28.897Z", "dateUpdated": "2026-11-12T03:42:18.552Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "DiskStation Manager (DSM)", "vendor": "Synology", "versions": [{"lessThan": "7.4.1-90080-1", "status": "affected", "version": "7.4.1", "versionType": "semver"}, {"lessThan": "7.3.2-86009-5", "status": "affected", "version": "7.3.2", "versionType": "semver"}, {"lessThan": "7.2.2-72806-10", "status": "affected", "version": "7.2.2", "versionType": "semver"}, {"lessThan": "7.2.1-69057-13", "status": "affected", "version": "7.2.1", "versionType": "semver"}, {"lessThan": "7.2.1", "status": "unknown", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Warisse Valentin (Aytio)"}], "descriptions": [{"lang": "en", "value": "An authentication bypass using an alternate path or channel vulnerability in the rsync in Synology DiskStation Manager (DSM) before 7.2.1-69057-13, 7.2.2-72806-10, 7.3.2-86009-5, and 7.4.1-90080-1 allows remote attackers to read specific files, write arbitrary files, and conduct limited denial-of-service attacks."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-288", "description": "Authentication Bypass Using an Alternate Path or Channel", "lang": "en", "type": "CWE"}]}], "references": [{"name": "Synology-SA-26:19 DSM", "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_26_19"}], "providerMetadata": {"orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "shortName": "synology", "dateUpdated": "2026-11-12T03:42:18.552Z"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "affected", "product": "DiskStation Manager (DSM)", "vendor": "Synology", "versions": [{"lessThan": "7.4.1-90080-1", "status": "affected", "version": "7.4.1", "versionType": "semver"}, {"lessThan": "7.3.2-86009-5", "status": "affected", "version": "7.3.2", "versionType": "semver"}, {"lessThan": "7.2.2-72806-10", "status": "affected", "version": "7.2.2", "versionType": "semver"}, {"lessThan": "7.2.1-69057-13", "status": "affected", "version": "7.2.1", "versionType": "semver"}, {"lessThan": "7.2.1", "status": "unknown", "version": "0", "versionType": "semver"}]}], "source": "security@synology.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An authentication bypass using an alternate path or channel vulnerability in the rsync in Synology DiskStation Manager (DSM) before 7.2.1-69057-13, 7.2.2-72806-10, 7.3.2-86009-5, and 7.4.1-90080-1 allows remote attackers to read specific files, write arbitrary files, and conduct limited denial-of-service attacks."}], "id": "CVE-2026-85101", "lastModified": "2026-11-12T18:50:59.773", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.7, "source": "security@synology.com", "type": "Primary"}]}, "published": "2026-11-12T04:17:21.617", "references": [{"source": "security@synology.com", "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_26_19"}], "sourceIdentifier": "security@synology.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-288"}], "source": "security@synology.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.4.1,7.4.1-90080-1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.3.2,7.3.2-86009-5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.2.2,7.2.2-72806-10)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.2.1,7.2.1-69057-13)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "DiskStation Manager (DSM)", "source": "cna", "vendor": "Synology"}, "product": "diskstation_manager", "vendor": "synology"}], "created": "2026-11-12T22:00:09.862386+00:00", "title": "Rsync Authentication Bypass in Synology DSM Enables Remote File Access", "updated": "2026-11-13T07:45:17.183995+00:00", "vendors": ["synology", "synology$PRODUCT$diskstation_manager"]}