CVE-2026-22552
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Unauthorized Access via Unauthenticated OCPP WebSocket Endpoint

Publication date: 2026-03-06

Last updated on: 2026-05-06

Assigner: ICS-CERT

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.

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Meta Information

Published
2026-03-06
Last Modified
2026-05-06
Generated
2026-07-06
AI Q&A
2026-03-06
EPSS Evaluated
2026-07-05
NVD
CVE-2026-22552
EUVD
EUVD-2026-9939

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
epower epower.ie *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

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Executive Summary

This vulnerability occurs because WebSocket endpoints do not have proper authentication mechanisms. This allows attackers to impersonate charging stations without authorization by connecting to the OCPP WebSocket endpoint using a known or discovered charging station identifier.

Once connected, the attacker can issue or receive OCPP commands as if they were a legitimate charger, leading to unauthorized control and manipulation of the charging infrastructure.

Impact Analysis

The impact of this vulnerability includes privilege escalation and unauthorized control over the charging infrastructure.

Attackers can manipulate data sent to the backend, potentially corrupting charging network data and disrupting normal operations.

Compliance Impact

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