CVE-2026-27777 in e-mobi.hu
Summary
by MITRE • 03/06/2026
Charging station authentication identifiers are publicly accessible via web-based mapping platforms.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 03/12/2026
The vulnerability described in CVE-2026-27777 represents a critical security flaw in charging station systems that exposes authentication identifiers through web-based mapping platforms. This issue fundamentally compromises the security posture of electric vehicle charging infrastructure by making sensitive authentication credentials accessible to unauthorized parties through publicly available digital mapping services. The vulnerability demonstrates a severe misconfiguration where charging station authentication mechanisms are not properly secured, allowing attackers to discover and potentially exploit these credentials through standard web reconnaissance techniques. This exposure creates a significant risk for both individual users and organizations managing charging networks, as the authentication identifiers could enable unauthorized access to charging services, potential denial of service attacks, or even physical security breaches of charging locations.
The technical flaw underlying this vulnerability stems from improper access control implementation within charging station management systems. Authentication identifiers are being transmitted or stored in a manner that makes them discoverable through web scraping or API access patterns commonly used by mapping platforms. This misconfiguration aligns with CWE-200, which addresses improper exposure of sensitive information, and CWE-312, which covers exposure of sensitive data through cleartext storage or transmission. The vulnerability exists at the intersection of web application security and physical security systems, where digital credentials directly translate to physical access control. Attackers can leverage these publicly accessible identifiers to gain unauthorized access to charging stations, potentially disrupting services, consuming resources without payment, or even using the credentials to access other systems within the same network infrastructure that share similar authentication mechanisms.
The operational impact of this vulnerability extends beyond simple credential theft, creating cascading security risks for charging network operators and their customers. Unauthorized access to charging station authentication identifiers could enable attackers to perform various malicious activities including but not limited to charging station denial of service, unauthorized resource consumption, and potential data exfiltration from connected systems. The vulnerability also presents significant privacy implications as charging station usage patterns and locations become publicly accessible, creating detailed maps of charging infrastructure that could be exploited for targeted attacks or physical security breaches. From an attacker perspective, this vulnerability maps to ATT&CK technique T1566 which involves phishing with social engineering, and T1071 which covers application layer protocols. The exposure creates a direct pathway for attackers to identify high-value targets within charging infrastructure networks, potentially enabling more sophisticated attacks such as lateral movement or privilege escalation within connected systems.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements to charging station security. Organizations should implement proper access control measures to ensure authentication identifiers are not exposed through web-based platforms, including implementing proper API rate limiting, authentication for mapping service access, and ensuring that sensitive data is not stored in publicly accessible locations. Network segmentation should be implemented to isolate charging station management systems from public-facing web services, while also ensuring that all authentication credentials are properly encrypted both in transit and at rest. Regular security audits should be conducted to identify and remediate similar exposure issues across the charging infrastructure ecosystem. The implementation of zero-trust network principles becomes critical in preventing unauthorized access, while also establishing proper monitoring and alerting for suspicious access patterns that may indicate credential compromise. Additionally, organizations should consider implementing multi-factor authentication mechanisms for charging station access and establish regular credential rotation policies to minimize the impact of any potential exposure.