CVE-2026-20792 Chargemap chargemap.com Improper Restriction of Excessive Authentication Attempts

High 8.7 Published Updated

Attackers can bypass authentication rate limits to perform brute-force attacks or denial-of-service on the EV charging platform.

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-2026-20792?

CVE-2026-20792 is a high-severity missing authorization vulnerability in chargemap.com, published on 26 Feb 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 misrouting legitimate charger telemetry, or conduct brute-force attacks to gain unauthorized access.

Weakness: CWE-307

Which versions are affected by CVE-2026-20792?

It affects 1 product.

Products include Chargemap Chargemap.com.

How do I fix CVE-2026-20792?

No fix has been published for CVE-2026-20792 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-2026-20792 being exploited?

There is no known exploitation of CVE-2026-20792 in the wild and no public exploit code.

Sources

Also known as GHSA-m9p8-mq88-4q4g.

Is CVE-2026-20792 in your software?

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