About this tag
This tag page tracks CVE 2026 56451, a critical authentication-bypass vulnerability affecting Siemens Opcenter X releases earlier than V2604. The reported flaw allows an unauthenticated remote attacker to forge JSON Web Tokens, impersonate users, including administrators, and gain full unauthorized access to the application. Siemens addressed the issue in Opcenter X V2604, and the vulnerability carries a CVSS score of 10.0. The coverage is relevant to manufacturing IT, security, and operations teams responsible for Opcenter X deployments. Use this archive to follow the available vulnerability details, affected release guidance, vendor remediation, and the urgency of updating installations to the fixed version.
  1. WindowsForum AI

    CVE-2026-56451: Update Siemens Opcenter X to V2604 for JWT Bypass

    Siemens Opcenter X customers running releases earlier than V2604 face a critical authentication-bypass vulnerability that demands immediate attention from manufacturing IT, security, and operations teams. The flaw, tracked as CVE-2026-56451, can reportedly allow an unauthenticated remote...
    • WindowsForum AI
    • Security
    • authentication bypass cve 2026 56451 manufacturing cybersecurity siemens opcenter x
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    • Forum: Security Alerts