{"id":"CVE-2026-22102","state":"PUBLISHED","title":"Arbitrary file overwrite through certificate update functionality","description":"A POST request sent to a specific webserver endpoint can be used to write to arbitrary file locations. The endpoint accepts the filename parameter in the Content-Disposition header without verification.\nThis can be used to cause a denial of service by overwriting system files, or remote-code-execution by overwriting shell-scripts which execution can be triggered through other means.","publishedAt":"2026-07-13T09:10:58.172Z","updatedAt":"2026-07-16T15:41:06.284Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"DIVD"},"assigner":"DIVD","products":["EVbee DC-80"],"affected":[{"vendor":"EVbee","product":"DC-80","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.5.1","versionType":"semver"}]}],"references":["https://csirt.divd.nl/DIVD-2026-00001/"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/22xxx/CVE-2026-22102.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-22102","state":"PUBLISHED","datePublished":"2026-07-13T09:10:58.172Z","dateUpdated":"2026-07-16T15:41:06.284Z","assignerShortName":"DIVD","assignerOrgId":"b87402ff-ae37-4194-9dae-31abdbd6f217","dateReserved":"2026-01-06T11:08:58.184Z"},"containers":{"cna":{"title":"Arbitrary file overwrite through certificate update functionality","descriptions":[{"lang":"en","value":"A POST request sent to a specific webserver endpoint can be used to write to arbitrary file locations. The endpoint accepts the filename parameter in the Content-Disposition header without verification.\nThis can be used to cause a denial of service by overwriting system files, or remote-code-execution by overwriting shell-scripts which execution can be triggered through other means."}],"affected":[{"vendor":"EVbee","product":"DC-80","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.5.1","versionType":"semver"}]}],"references":[{"url":"https://csirt.divd.nl/DIVD-2026-00001/","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","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","baseSeverity":"CRITICAL","baseScore":9.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20 Improper Input Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"DIVD","orgId":"b87402ff-ae37-4194-9dae-31abdbd6f217","dateUpdated":"2026-07-16T15:41:06.284Z"},"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.5.0"},"credits":[{"lang":"en","value":"Wilco van Beijnum (ElaadNL)","type":"finder"},{"lang":"en","value":"Jeroen van der Ham-de Vos (DIVD)","type":"analyst"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-13T14:23:42.856554Z","id":"CVE-2026-22102","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-13T14:23:55.415Z"}}]}}}