{"id":"CVE-2026-41544","state":"PUBLISHED","title":"Path Traversal leading to Arbitrary File Move, Docker Escape, and Host RCE in /calapi/renameUpload endpoint","description":"A path traversal vulnerability has been reported to affect QcalAgent. 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:\nQcalAgent 1.1.10 and later","publishedAt":"2026-10-15T07:00:14.196Z","updatedAt":"2026-10-19T02:05:29.256Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"qnap"},"assigner":"qnap","products":["QNAP Systems Inc. QcalAgent"],"affected":[{"vendor":"QNAP Systems Inc.","product":"QcalAgent","defaultStatus":"unaffected","versions":[{"version":"1.1.x","status":"affected","lessThan":"1.1.10","versionType":"custom"}]}],"references":["https://www.qnap.com/en/app-release-notes?keyword=QcalAgent&app=qcalendar&product-line=nas"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41544.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41544","state":"PUBLISHED","datePublished":"2026-10-15T07:00:14.196Z","dateUpdated":"2026-10-19T02:05:29.256Z","assignerShortName":"qnap","assignerOrgId":"2fd009eb-170a-4625-932b-17a53af1051f","dateReserved":"2026-04-21T03:07:17.288Z"},"containers":{"cna":{"title":"Path Traversal leading to Arbitrary File Move, Docker Escape, and Host RCE in /calapi/renameUpload endpoint","descriptions":[{"lang":"en","value":"A path traversal vulnerability has been reported to affect QcalAgent. 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:\nQcalAgent 1.1.10 and later"}],"affected":[{"vendor":"QNAP Systems Inc.","product":"QcalAgent","defaultStatus":"unaffected","versions":[{"version":"1.1.x","status":"affected","lessThan":"1.1.10","versionType":"custom"}]}],"references":[{"url":"https://www.qnap.com/en/app-release-notes?keyword=QcalAgent&app=qcalendar&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":"HIGH","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":8.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/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":"2026-10-19T02:05:29.256Z"},"impacts":[{"capecId":"CAPEC-126","descriptions":[{"lang":"en","value":"CAPEC-126"}]}],"solutions":[{"lang":"en","value":"We have already fixed the vulnerability in the following version:\nQcalAgent 1.1.10 and later","supportingMedia":[{"type":"text/html","base64":false,"value":"We have already fixed the vulnerability in the following version:<br>QcalAgent 1.1.10 and later"}]}],"credits":[{"lang":"en","value":"HAK-MZ TEAM","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":"2026-10-15T14:46:53.780530Z","id":"CVE-2026-41544","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":"2026-10-15T14:48:02.357Z"}}]}}}