{"id":"CVE-2026-2334","state":"PUBLISHED","title":") Missing Server-Side File Extension Validation in vsDesk","description":"An issue was discovered in vsDesk v14.0101. An authenticated attacker with administrative privileges can bypass client-side file validation in the \"Import via CSV\" component due to a lack of server-side validation. This allows the upload of an arbitrary file, which can lead to Remote Code Execution (RCE) within the context of the web application. \nApply patch from vendor  https://vsdesk.ru/ . Versions 14.0402 and on have the patch.","publishedAt":"2026-08-20T18:03:38.982Z","updatedAt":"2026-08-21T20:08:38.818Z","severity":{"score":9.4,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","source":"Kaspersky"},"assigner":"Kaspersky","products":["vsDesk vsDesk"],"affected":[{"vendor":"vsDesk","product":"vsDesk","defaultStatus":"unknown","versions":[{"version":"14.0101","status":"affected"},{"version":"14.0402","status":"unaffected"}]}],"references":["https://github.com/klsecservices/Advisories/blob/master/KLSA-00415-Missing-Server-Side-File-Extension-Validation-in-vsDesk.md","https://vsdesk.ru/news/vyshla-novaya-versiya-140422"],"weaknesses":["CWE-434"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/2xxx/CVE-2026-2334.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2334","state":"PUBLISHED","datePublished":"2026-08-20T18:03:38.982Z","dateUpdated":"2026-08-21T20:08:38.818Z","assignerShortName":"Kaspersky","assignerOrgId":"e45d732a-8f6b-4b6b-be76-7420f6a2b988","dateReserved":"2026-02-11T10:03:03.753Z"},"containers":{"cna":{"title":") Missing Server-Side File Extension Validation in vsDesk","descriptions":[{"lang":"en","value":"An issue was discovered in vsDesk v14.0101. An authenticated attacker with administrative privileges can bypass client-side file validation in the \"Import via CSV\" component due to a lack of server-side validation. This allows the upload of an arbitrary file, which can lead to Remote Code Execution (RCE) within the context of the web application. \nApply patch from vendor  https://vsdesk.ru/ . Versions 14.0402 and on have the patch."}],"affected":[{"vendor":"vsDesk","product":"vsDesk","defaultStatus":"unknown","versions":[{"version":"14.0101","status":"affected"},{"version":"14.0402","status":"unaffected"}]}],"references":[{"url":"https://github.com/klsecservices/Advisories/blob/master/KLSA-00415-Missing-Server-Side-File-Extension-Validation-in-vsDesk.md"},{"url":"https://vsdesk.ru/news/vyshla-novaya-versiya-140422"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"HIGH","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":"CRITICAL","baseScore":9.4,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","lang":"en","description":"CWE-434 Unrestricted upload of file with dangerous type","type":"CWE"}]}],"providerMetadata":{"shortName":"Kaspersky","orgId":"e45d732a-8f6b-4b6b-be76-7420f6a2b988","dateUpdated":"2026-08-20T18:03:38.982Z"},"impacts":[{"capecId":"CAPEC-207","descriptions":[{"lang":"en","value":"CAPEC-207: Removing Important Client Functionality"}]}],"credits":[{"lang":"en","value":"The vulnerability was discovered by Kirill Nikolaev from Kaspersky (https://kaspersky.com)","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-2334","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-08-21T19:52:07.187794Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-21T20:08:38.818Z"}}]}}}