CVE-2026-44101 OCPP reconfiguration vulnerability

Critical 9.3 Published Updated

Unauthenticated attackers can reconfigure the backend connection of Phoenix Contact CHARX devices, causing denial of service and data disclosure.

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-2026-44101?

CVE-2026-44101 is a critical missing authorization vulnerability in Phoenix Contact CHARX SEC-3000, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Due to missing authentication the CHARX OCPP Agent service allows an unauthenticated remote attacker to reconfigure the backend connection. This can lead to Denial-of-Service and confidential data being disclosed to the attacker.

Weakness: CWE-306

Which versions are affected by CVE-2026-44101?

How do I fix CVE-2026-44101?

No fix has been published for CVE-2026-44101 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-2026-44101 being exploited?

There is no known exploitation of CVE-2026-44101 in the wild and no public exploit code.

Sources

Also known as GHSA-xjm9-rr2c-vpq2.

Is CVE-2026-44101 in your software?

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