{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-3091", "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "state": "PUBLISHED", "assignerShortName": "synology", "dateReserved": "2026-02-24T01:34:19.753Z", "datePublished": "2026-02-24T02:31:20.298Z", "dateUpdated": "2026-06-02T08:32:30.493Z" }, "containers": { "cna": { "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Uncontrolled Search Path Element", "cweId": "CWE-427", "type": "CWE" } ] } ], "affected": [ { "vendor": "Synology", "product": "Synology Presto Client", "versions": [ { "version": "*", "status": "affected", "lessThan": "2.1.3-0672", "versionType": "semver" } ], "defaultStatus": "affected" } ], "descriptions": [ { "lang": "en", "value": "An uncontrolled search path element vulnerability in Synology Presto Client before 2.1.3-0672 allows local users to read or write arbitrary files and conduct denial-of-service during installation by placing a malicious DLL in advance in the same directory as the installer." } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "baseScore": 6.7, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1" } } ], "references": [ { "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_26_02", "name": "Synology-SA-26:02 Synology Presto Client", "tags": [ "vendor-advisory" ] } ], "credits": [ { "lang": "en", "value": "Sahil Shah", "type": "finder" } ], "providerMetadata": { "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "shortName": "synology", "dateUpdated": "2026-06-02T08:32:30.493Z" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-02-24T20:48:28.071520Z", "id": "CVE-2026-3091", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-24T20:48:54.091Z" } } ] } }