Vulnerability · Published Jul 30, 2026 · Assigned by CERTVDE

CVE-2026-44101OCPP reconfiguration vulnerability

Critical 9.8

In plain English

A critical-severity missing authentication in CHARX SEC-3000 from Phoenix Contact. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 45.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
Phoenix Contact CHARX SEC-3150 1.0.0 – before 1.9.1
Phoenix Contact CHARX SEC-3100 1.0.0 – before 1.9.1
Phoenix Contact CHARX SEC-3050 1.0.0 – before 1.9.1
Phoenix Contact CHARX SEC-3000 1.0.0 – before 1.9.1

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References