View CSAF Summary The Industrial Edge App Publisher contains a vulnerability chain involving improper certificate validation and the rendering of unescaped data from backend responses. These issues can be combined to allow an attacker on the network to impersonate the management server and execute arbitrary code (RCE) on the local machine through Node.js integration. Siemens has released an update for the Industrial Edge App Publisher and recommends to update to the latest version. The following versions of Siemens Industrial Edge App Publisher are affected: Industrial Edge App Publisher vers:intdot/<1.27.9 (CVE-2026-78556, CVE-2026-78557) CVSS Vendor Equipment v3 8.3 Siemens Industrial Edge App Publisher 2 Vulnerabilities Improper Certificate Validation, Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Background Critical Infrastructure Sectors: Critical Manufacturing, Transportation Systems, Energy, Healthcare and Public Health, Financial Services, Government Services and Facilities Countries/Areas Deployed: Worldwide Company Headquarters Location: Germany Vulnerabilities Expand All + CVE-2026-78556 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 interfe...