{"id":"CVE-2026-26243","state":"PUBLISHED","title":"Arbitrary Folder Deletion in Qsync Central 5.0.0.5","description":"A path traversal vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data.\n\nWe have already fixed the vulnerability in the following version:\nQsync Central 5.0.0.6 and later\nQsync Central 5.1.0.2 and later\nQsync Central 5.2.0.4 and later","publishedAt":"2026-10-15T09:29:27.642Z","updatedAt":"2026-10-15T13:37:30.842Z","severity":{"score":7.2,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","source":"qnap"},"assigner":"qnap","products":["QNAP Systems Inc. Qsync Central"],"affected":[{"vendor":"QNAP Systems Inc.","product":"Qsync Central","defaultStatus":"unaffected","versions":[{"version":"5.0.x","status":"affected","lessThan":"5.0.0.6","versionType":"custom"},{"version":"5.1.x","status":"affected","lessThan":"5.1.0.2","versionType":"custom"},{"version":"5.2.x","status":"affected","lessThan":"5.2.0.4","versionType":"custom"}]}],"references":["https://www.qnap.com/en/app-release-notes?keyword=Qsync%20&app=QsyncServer&product-line=nas"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/26xxx/CVE-2026-26243.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-26243","state":"PUBLISHED","datePublished":"2026-10-15T09:29:27.642Z","dateUpdated":"2026-10-15T13:37:30.842Z","assignerShortName":"qnap","assignerOrgId":"2fd009eb-170a-4625-932b-17a53af1051f","dateReserved":"2026-02-12T02:21:35.483Z"},"containers":{"cna":{"title":"Arbitrary Folder Deletion in Qsync Central 5.0.0.5","descriptions":[{"lang":"en","value":"A path traversal vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data.\n\nWe have already fixed the vulnerability in the following version:\nQsync Central 5.0.0.6 and later\nQsync Central 5.1.0.2 and later\nQsync Central 5.2.0.4 and later"}],"affected":[{"vendor":"QNAP Systems Inc.","product":"Qsync Central","defaultStatus":"unaffected","versions":[{"version":"5.0.x","status":"affected","lessThan":"5.0.0.6","versionType":"custom"},{"version":"5.1.x","status":"affected","lessThan":"5.1.0.2","versionType":"custom"},{"version":"5.2.x","status":"affected","lessThan":"5.2.0.4","versionType":"custom"}]}],"references":[{"url":"https://www.qnap.com/en/app-release-notes?keyword=Qsync%20&app=QsyncServer&product-line=nas","tags":["release-notes"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":7.2,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22","type":"CWE"}]}],"providerMetadata":{"shortName":"qnap","orgId":"2fd009eb-170a-4625-932b-17a53af1051f","dateUpdated":"2026-10-15T09:29:27.642Z"},"impacts":[{"capecId":"CAPEC-126","descriptions":[{"lang":"en","value":"CAPEC-126"}]}],"solutions":[{"lang":"en","value":"We have already fixed the vulnerability in the following version:\nQsync Central 5.0.0.6 and later\nQsync Central 5.1.0.2 and later\nQsync Central 5.2.0.4 and later","supportingMedia":[{"type":"text/html","base64":false,"value":"We have already fixed the vulnerability in the following version:<br>Qsync Central 5.0.0.6 and later<br>Qsync Central 5.1.0.2 and later<br>Qsync Central 5.2.0.4 and later"}]}],"credits":[{"lang":"en","value":"coral","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"QNAP PSIRT cve_tool 0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-15T13:37:20.476589Z","id":"CVE-2026-26243","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-15T13:37:30.842Z"}}]}}}