CVE-2026-26288
CRITICALCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Lifecycle Timeline
2Tags
Description
WebSocket endpoints lack proper authentication mechanisms, enabling attackers to perform unauthorized station impersonation and manipulate data sent to the backend. An unauthenticated attacker can connect to the OCPP WebSocket endpoint using a known or discovered charging station identifier, then issue or receive OCPP commands as a legitimate charger. Given that no authentication is required, this can lead to privilege escalation, unauthorized control of charging infrastructure, and corruption of charging network data reported to the backend.
Analysis
WebSocket auth bypass — same family.
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Remediation
Within 24 hours: Inventory all systems using WebSocket endpoints and assess exposure; enable enhanced logging on WebSocket traffic. Within 7 days: Implement network segmentation to restrict WebSocket access to trusted networks only; deploy WAF rules to require authentication tokens before WebSocket handshakes. …
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External POC / Exploit Code
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