CVE-2026-29796
Unauthorized Access in OCPP WebSocket Enables Station Impersonation
Publication date: 2026-03-20
Last updated on: 2026-03-20
Assigner: ICS-CERT
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| automated_logic | webctrl | to 7 (inc) |
| automated_logic | webctrl | 8.5 |
Helpful Resources
Exploitability
| 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
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability occurs because WebSocket endpoints lack 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 data sent to the backend.
How can this vulnerability impact me? :
The vulnerability can lead to privilege escalation and unauthorized control over the charging infrastructure.
Attackers can manipulate charging network data reported to the backend, potentially causing corruption or misuse of that data.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know