Mobiliti e-mobi.hu 2026 Authentication Vulnerabilities Expose Critical Infrastructure Risks
Executive Summary
In March 2026, multiple critical vulnerabilities were identified in Mobiliti's e-mobi.hu platform, a key player in Hungary's electric vehicle charging infrastructure. These flaws, including missing authentication for critical functions and insufficient session expiration, could allow attackers to gain unauthorized administrative control over charging stations or disrupt services through denial-of-service attacks. The vulnerabilities affect all versions of the e-mobi.hu platform, posing significant risks to the energy and transportation sectors. (windowsforum.com)
This incident underscores the growing cybersecurity challenges in critical infrastructure, particularly within the rapidly expanding electric vehicle sector. As the adoption of EVs increases, ensuring the security of associated charging networks becomes paramount to prevent potential disruptions and maintain public trust.
Why This Matters Now
The vulnerabilities in Mobiliti's e-mobi.hu platform highlight the urgent need for robust cybersecurity measures in critical infrastructure. With the increasing reliance on electric vehicle charging networks, such security flaws could lead to widespread service disruptions and unauthorized control over essential services, emphasizing the importance of proactive security practices.
Attack Path Analysis
An attacker exploited the lack of authentication on WebSocket endpoints to impersonate charging stations, gaining unauthorized access. They then escalated privileges by exploiting predictable session identifiers to hijack active sessions. Using these compromised sessions, the attacker moved laterally within the network to access other charging stations. They established command and control by maintaining persistent access through hijacked sessions. The attacker exfiltrated sensitive data by manipulating data sent to the backend. Finally, they impacted the system by disrupting charging services through denial-of-service attacks.
Kill Chain Progression
Initial Compromise
Description
The attacker exploited the lack of authentication on WebSocket endpoints to impersonate charging stations and gain unauthorized access.
Related CVEs
CVE-2026-26051
CVSS 9.4WebSocket endpoints lack proper authentication mechanisms, enabling attackers to perform unauthorized station impersonation and manipulate data sent to the backend.
Affected Products:
Mobiliti Mobiliti e-mobi.hu – all
Exploit Status:
no public exploitCVE-2026-20882
CVSS 7.5The WebSocket API lacks restrictions on the number of authentication requests, allowing potential denial-of-service and brute-force attacks.
Affected Products:
Mobiliti Mobiliti e-mobi.hu – all
Exploit Status:
no public exploitCVE-2026-27764
CVSS 7.3The WebSocket backend allows multiple endpoints to connect using the same session identifier, leading to session hijacking or shadowing.
Affected Products:
Mobiliti Mobiliti e-mobi.hu – all
Exploit Status:
no public exploitCVE-2026-27777
CVSS 6.5Charging station authentication identifiers are publicly accessible via web-based mapping platforms.
Affected Products:
Mobiliti Mobiliti e-mobi.hu – all
Exploit Status:
no public exploit
MITRE ATT&CK® Techniques
Valid Accounts
Brute Force
Modify Authentication Process
Exploitation for Credential Access
Use Alternate Authentication Material
Application Layer Protocol
Potential Compliance Exposure
Mapping incident impact across multiple compliance frameworks.
PCI DSS 4.0 – Strong Authentication for Users
Control ID: 8.2.1
NYDFS 23 NYCRR 500 – Multi-Factor Authentication
Control ID: 500.12
DORA – ICT Risk Management Framework
Control ID: Article 6
CISA ZTMM 2.0 – Enforce Strong Authentication
Control ID: Identity and Access Management
NIS2 Directive – Cybersecurity Risk Management Measures
Control ID: Article 21
Sector Implications
Industry-specific impact of the vulnerabilities, including operational, regulatory, and cloud security risks.
Oil/Energy/Solar/Greentech
Critical infrastructure vulnerability exposing EV charging networks to unauthorized control, session hijacking, and service disruption through missing WebSocket authentication mechanisms.
Transportation
Electric vehicle charging infrastructure faces severe authentication bypass risks enabling station impersonation, data manipulation, and denial-of-service attacks on transportation networks.
Utilities
Power grid connected charging stations vulnerable to unauthorized administrative access, compromising energy distribution systems through predictable session identifiers and credential exposure.
Automotive
EV ecosystem security compromised by charging station authentication flaws, potentially disrupting vehicle charging services and exposing automotive infrastructure to malicious control.
Sources
- Mobiliti e-mobi.huhttps://www.cisa.gov/news-events/ics-advisories/icsa-26-062-06Verified
Frequently Asked Questions
Cloud Native Security Fabric Mitigations and ControlsCNSF
Aviatrix Zero Trust CNSF is pertinent to this incident as it would likely limit the attacker's ability to exploit unsecured WebSocket endpoints and reduce the scope of lateral movement within the network.
Control: Cloud Native Security Fabric (CNSF)
Mitigation: Implementing identity-aware policies would likely restrict unauthorized access to WebSocket endpoints, thereby limiting the attacker's ability to impersonate charging stations.
Control: Zero Trust Segmentation
Mitigation: Enforcing strict segmentation policies would likely limit the attacker's ability to escalate privileges by restricting access to sensitive areas of the network.
Control: East-West Traffic Security
Mitigation: Implementing east-west traffic controls would likely constrain the attacker's ability to move laterally, thereby reducing the scope of the breach.
Control: Multicloud Visibility & Control
Mitigation: Enhanced visibility and control across multicloud environments would likely detect and disrupt unauthorized command and control activities.
Control: Egress Security & Policy Enforcement
Mitigation: Enforcing strict egress policies would likely limit the attacker's ability to exfiltrate sensitive data by controlling outbound traffic.
While prior controls would likely limit the attacker's reach, any residual impact would be confined to the initially compromised stations, reducing overall service disruption.
Impact at a Glance
Affected Business Functions
- Charging Station Operations
- Customer Billing
- Energy Management
Estimated downtime: 3 days
Estimated loss: $50,000
Potential exposure of customer billing information and operational data.
Recommended Actions
Key Takeaways & Next Steps
- • Implement Zero Trust Segmentation to enforce strict access controls and minimize trust relationships within the network.
- • Deploy East-West Traffic Security to monitor and control lateral movement within the network.
- • Utilize Threat Detection & Anomaly Response to identify and respond to unauthorized activities promptly.
- • Apply Egress Security & Policy Enforcement to prevent unauthorized data exfiltration and access to external malicious sites.
- • Ensure proper session management practices, including the use of unique session identifiers and timely session expiration, to prevent session hijacking.
