CVE-2026-27778 ePower epower.ie Improper Restriction of Excessive Authentication Attempts
Attackers can bypass authentication limits to perform brute-force attacks or disrupt charger telemetry via WebSocket API.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-27778?
CVE-2026-27778 is a high-severity missing authorization vulnerability in epower.ie, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-307
Which versions are affected by CVE-2026-27778?
It affects 1 product.
Products include Epower Epower.ie.
How do I fix CVE-2026-27778?
No fix has been published for CVE-2026-27778 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-27778 being exploited?
There is no known exploitation of CVE-2026-27778 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in epower.ie
Sources
Also known as GHSA-pccv-vgjf-95g3.