CVE-2026-27778
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2Description
The WebSocket Application Programming Interface lacks restrictions on the number of authentication requests. This absence of rate limiting may allow an attacker to conduct denial-of-service attacks by suppressing or mis-routing legitimate charger telemetry, or conduct brute-force attacks to gain unauthorized access.
Analysis
Unrestricted authentication attempts in the WebSocket API enable attackers to launch denial-of-service attacks against charger telemetry systems or execute brute-force credential compromise attempts without rate-limiting protections. Organizations operating connected charging infrastructure are vulnerable to service disruption and unauthorized access exploitation. …
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Remediation
Within 24 hours: Inventory all WebSocket API deployments and assess exposure to internet traffic. Within 7 days: Implement rate limiting on authentication endpoints, enable account lockout policies, and deploy WAF rules to block excessive failed login attempts. …
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External POC / Exploit Code
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