{"id":"CVE-2026-39454","state":"PUBLISHED","title":"SKYSEA Client View and SKYMEC IT Manager provided by Sky Co.,LTD. configure the installation folder with improper file access permission settings. A non-administrative user may man","description":"SKYSEA Client View and SKYMEC IT Manager provided by Sky Co.,LTD. configure the installation folder with improper file access permission settings. A non-administrative user may manipulate and/or place arbitrary files within the installation folder of the product. As a result, arbitrary code may be executed with the administrative privilege.","publishedAt":"2026-04-20T08:04:56.595Z","updatedAt":"2026-04-20T13:28:56.536Z","severity":{"score":8.5,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"jpcert"},"assigner":"jpcert","products":["Sky Co.,LTD. SKYSEA Client View","Sky Co.,LTD. SKYMEC IT Manager"],"affected":[{"vendor":"Sky Co.,LTD.","product":"SKYSEA Client View","versions":[{"version":"Ver.21.200.07j and earlier","status":"affected"}]},{"vendor":"Sky Co.,LTD.","product":"SKYMEC IT Manager","versions":[{"version":"Ver.2024.005.10a and earlier","status":"affected"}]}],"references":["https://www.skyseaclientview.net/news/260420_01/","https://jvn.jp/en/jp/JVN63376363/"],"weaknesses":["CWE-276"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/39xxx/CVE-2026-39454.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-39454","state":"PUBLISHED","datePublished":"2026-04-20T08:04:56.595Z","dateUpdated":"2026-04-20T13:28:56.536Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2026-04-08T11:15:40.304Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"SKYSEA Client View and SKYMEC IT Manager provided by Sky Co.,LTD. configure the installation folder with improper file access permission settings. A non-administrative user may manipulate and/or place arbitrary files within the installation folder of the product. As a result, arbitrary code may be executed with the administrative privilege."}],"affected":[{"vendor":"Sky Co.,LTD.","product":"SKYSEA Client View","versions":[{"version":"Ver.21.200.07j and earlier","status":"affected"}]},{"vendor":"Sky Co.,LTD.","product":"SKYMEC IT Manager","versions":[{"version":"Ver.2024.005.10a and earlier","status":"affected"}]}],"references":[{"url":"https://www.skyseaclientview.net/news/260420_01/"},{"url":"https://jvn.jp/en/jp/JVN63376363/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_0":{"version":"3.0","baseSeverity":"HIGH","baseScore":7.8,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}},{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV4_0":{"version":"4.0","baseSeverity":"HIGH","baseScore":8.5,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-276","description":"Incorrect default permissions","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"shortName":"jpcert","orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateUpdated":"2026-04-20T08:04:56.595Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-20T13:28:48.426227Z","id":"CVE-2026-39454","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":"2026-04-20T13:28:56.536Z"}}]}}}