CVE-2026-20882 Mobiliti e-mobi.hu Improper Restriction of Excessive Authentication Attempts
Attackers can cause denial of service or brute-force access due to missing rate limits on WebSocket authentication requests in the e-mobi.hu 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-2026-20882?
CVE-2026-20882 is a high-severity denial of service vulnerability in Mobiliti e-mobi.hu, published on 6 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-2026-20882?
It affects 1 product.
Products include Mvm Mobiliti E-Mobi.hu.
How do I fix CVE-2026-20882?
No fix has been published for CVE-2026-20882 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-20882 being exploited?
There is no known exploitation of CVE-2026-20882 in the wild and no public exploit code.
Other vulnerabilities in Mobiliti e-mobi.hu
Sources
Also known as GHSA-9mjf-qq2p-8jr2.