{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-78556","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","state":"PUBLISHED","assignerShortName":"siemens","dateReserved":"2026-08-24T19:48:32.550Z","datePublished":"2026-10-13T09:18:55.291Z","dateUpdated":"2026-10-16T17:18:08.808Z"},"containers":{"cna":{"providerMetadata":{"orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","shortName":"siemens","dateUpdated":"2026-10-13T09:18:55.291Z"},"descriptions":[{"lang":"en","value":"A vulnerability has been identified in Industrial Edge App Publisher (All versions < V1.27.9). The affected software does not properly validate the server certificate when initiating a TLS connection. This allows an attacker to intercept and relay communication (Man-in-the-Middle attack) and to spoof a trusted entity by interfering in the communication path between the client and the intended server."}],"affected":[{"vendor":"Siemens","product":"Industrial Edge App Publisher","versions":[{"status":"affected","version":"0","lessThan":"V1.27.9","versionType":"custom"}],"defaultStatus":"unknown"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":7.4,"baseSeverity":"HIGH"}},{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","baseScore":7.6,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-295","description":"CWE-295: Improper Certificate Validation","type":"CWE"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-968435.html"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-16T17:00:04.818691Z","id":"CVE-2026-78556","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":"2026-10-16T17:18:08.808Z"}}]}}