{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-4434","assignerOrgId":"bfee16bd-18e6-446c-9a65-f5b2e3d89c23","state":"PUBLISHED","assignerShortName":"DEVOLUTIONS","dateReserved":"2026-03-19T18:23:32.838Z","datePublished":"2026-03-20T12:52:55.762Z","dateUpdated":"2026-03-23T14:12:02.673Z"},"containers":{"cna":{"providerMetadata":{"orgId":"bfee16bd-18e6-446c-9a65-f5b2e3d89c23","shortName":"DEVOLUTIONS","dateUpdated":"2026-03-20T12:52:55.762Z"},"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-295","description":"CWE-295 Improper certificate validation","type":"CWE"}]}],"affected":[{"vendor":"Devolutions","product":"Server","versions":[{"status":"affected","version":"0","lessThan":"2026.1","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Improper certificate validation in the PAM propagation WinRM connections\n allows a network attacker to perform a man-in-the-middle attack via \ndisabled TLS certificate verification.","supportingMedia":[{"type":"text/html","base64":false,"value":"Improper certificate validation in the PAM propagation WinRM connections\n allows a network attacker to perform a man-in-the-middle attack via \ndisabled TLS certificate verification."}]}],"references":[{"url":"https://devolutions.net/security/advisories/DEVO-2026-0005/"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.1,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-03-23T14:11:59.346311Z","id":"CVE-2026-4434","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-23T14:12:02.673Z"}}]}}