Improper Certificate Validation in APROL - CVE-2026-6900

 

Improper Certificate Validation in APROL - CVE-2026-6900

Published: July 10, 2026


Vulnerability identifier: #VU137311
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-6900
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: B&R Industrial Automation GmbH
Affected software:
APROL

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper certificate validation in the LDAP Server Connector. A remote attacker can perform adversary-in-the-middle attack and gain access to sensitive information on the system.


How to mitigate CVE-2026-6900

Install updates from vendor's website.

Sources