{"id":"CVE-2026-3091","state":"PUBLISHED","title":"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 duri","description":"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.","publishedAt":"2026-02-24T02:31:20.298Z","updatedAt":"2026-06-02T08:32:30.493Z","severity":{"score":6.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","source":"synology"},"assigner":"synology","products":["Synology Synology Presto Client"],"affected":[{"vendor":"Synology","product":"Synology Presto Client","defaultStatus":"affected","versions":[{"version":"*","status":"affected","lessThan":"2.1.3-0672","versionType":"semver"}]}],"references":["https://www.synology.com/en-global/security/advisory/Synology_SA_26_02"],"weaknesses":["CWE-427"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/3xxx/CVE-2026-3091.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-3091","state":"PUBLISHED","datePublished":"2026-02-24T02:31:20.298Z","dateUpdated":"2026-06-02T08:32:30.493Z","assignerShortName":"synology","assignerOrgId":"db201096-a0cc-46c7-9a55-61d9e221bf01","dateReserved":"2026-02-24T01:34:19.753Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"Synology","product":"Synology Presto Client","defaultStatus":"affected","versions":[{"version":"*","status":"affected","lessThan":"2.1.3-0672","versionType":"semver"}]}],"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"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-427","lang":"en","description":"Uncontrolled Search Path Element","type":"CWE"}]}],"providerMetadata":{"shortName":"synology","orgId":"db201096-a0cc-46c7-9a55-61d9e221bf01","dateUpdated":"2026-06-02T08:32:30.493Z"},"credits":[{"lang":"en","value":"Sahil Shah","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-24T20:48:54.091Z"}}]}}}