CVE-2026-27778CWE-307

ePower epower.ie Improper Restriction of Excessive Authentication Attempts

High · published March 5, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
56.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00824 · 56.9th percentile
Weakness
CWE-307 · Improper Restriction of Excessive Authentication Attempts
Published
2026-03-05T23:36Z
EPSS history
Timeline
  • 05 MAR 23:36Z
    ePower epower.ie Improper Restriction of Excessive Authentication Attempts
    cvelistv5