CVE-2026-78308 in DIAEnergie
Summary
by MITRE • 09/24/2026
Improper Authentication vulnerability in DIAEnergie allows Authentication Bypass.
This issue affects DIAEnergie: before 1.11.00.022.
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Analysis
by VulDB Data Team • 09/24/2026
The identified security flaw within the DIAEnergie software, specifically affecting versions prior to 1.11.00.022, represents a critical failure in access control mechanisms classified under Common Weakness Enumeration as CWE-287 Improper Authentication. This vulnerability allows an attacker to bypass authentication controls entirely, effectively granting unauthorized individuals access to protected resources or administrative functions without valid credentials. In the context of industrial and energy management systems like DIAEnergie, such a breach is particularly severe because it undermines the fundamental trust model required for secure operational technology environments where integrity and availability are paramount.
From a technical perspective, this authentication bypass likely stems from insufficient validation logic within the application's login or session management routines. The flaw may involve missing checks on user privileges, improper handling of session tokens, or a failure to enforce multi-factor requirements when accessing sensitive configuration pages. An attacker could exploit this by manipulating request parameters, replaying valid sessions, or exploiting gaps in how the system verifies identity claims against its internal directory or database. This type of weakness is frequently associated with ATT&CK technique T1078 Valid Accounts, where adversaries leverage legitimate credentials or bypass credential checks to establish persistence and move laterally within a network infrastructure.
The operational impact of this vulnerability extends beyond simple unauthorized access. In energy distribution environments, DIAEnergie typically manages critical data regarding grid status, metering information, and control commands. An attacker exploiting this flaw could alter system configurations, manipulate real-time monitoring data, or issue malicious commands to connected devices. This poses a direct risk to the physical infrastructure, potentially leading to service disruptions, equipment damage, or safety hazards for personnel. Furthermore, the ability to bypass authentication facilitates subsequent attacks such as data exfiltration of sensitive customer information or industrial espionage, compromising both confidentiality and integrity across the organization's digital assets.
To mitigate this vulnerability, immediate action is required to upgrade DIAEnergie to version 1.11.00.022 or later, where these authentication checks have been corrected by the vendor. Organizations should also implement network segmentation to isolate DIAEnergie systems from untrusted networks and enforce strict access control policies using role-based access controls. Additionally, deploying intrusion detection systems capable of identifying anomalous login patterns can provide an extra layer of defense against exploitation attempts while patching efforts are underway. Regular security audits and penetration testing focused on authentication mechanisms should be conducted to ensure that similar weaknesses do not exist in other components of the industrial control system architecture.