{"id":"CVE-2026-40548","state":"PUBLISHED","title":"Unrestricted Upload of File with Dangerous Type in SOPlanning","description":"SOPlanning does not verify uploaded file extension. An authenticated attacker with access to the backup functionality can upload a crafted ZIP archive containing a legitimate user.csv file alongside a malicious file, which is extracted on the server. When combined with CVE-2026-40547 (Path Traversal), the malicious file (e.g., a PHP script) can be placed in a web-accessible location and executed via the browser.\n\nThis issue affects SOPlanning version 1.55 and below.","publishedAt":"2026-06-01T09:04:12.880Z","updatedAt":"2026-06-01T13:04:41.827Z","severity":{"score":6.4,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H","source":"CERT-PL"},"assigner":"CERT-PL","products":["SOPlanning SOPlanning"],"affected":[{"vendor":"SOPlanning","product":"SOPlanning","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.55","versionType":"semver"}]}],"references":["https://cert.pl/en/posts/2026/06/CVE-2026-40543","https://www.soplanning.org/en/"],"weaknesses":["CWE-434"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40548.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40548","state":"PUBLISHED","datePublished":"2026-06-01T09:04:12.880Z","dateUpdated":"2026-06-01T13:04:41.827Z","assignerShortName":"CERT-PL","assignerOrgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","dateReserved":"2026-04-14T09:44:27.613Z"},"containers":{"cna":{"title":"Unrestricted Upload of File with Dangerous Type in SOPlanning","descriptions":[{"lang":"en","value":"SOPlanning does not verify uploaded file extension. An authenticated attacker with access to the backup functionality can upload a crafted ZIP archive containing a legitimate user.csv file alongside a malicious file, which is extracted on the server. When combined with CVE-2026-40547 (Path Traversal), the malicious file (e.g., a PHP script) can be placed in a web-accessible location and executed via the browser.\n\nThis issue affects SOPlanning version 1.55 and below."}],"affected":[{"vendor":"SOPlanning","product":"SOPlanning","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.55","versionType":"semver"}]}],"references":[{"url":"https://cert.pl/en/posts/2026/06/CVE-2026-40543","tags":["third-party-advisory"]},{"url":"https://www.soplanning.org/en/","tags":["product"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.4,"baseSeverity":"MEDIUM","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CERT-PL","orgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","dateUpdated":"2026-06-01T09:04:12.880Z"},"credits":[{"lang":"en","type":"finder","value":"Łukasz Jaworski"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-01T13:04:33.712146Z","id":"CVE-2026-40548","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":"2026-06-01T13:04:41.827Z"}}]}}}