CVE-2026-6900

Improper Certificate Validation

Published Jul 6, 2026 CVSS 4.0 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
Improper certificate validation vulnerability in B&R Industrial Automation GmbH APROL.

This issue affects APROL: before R 4.4-01P5.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Br-automation
Br-automation industrial Automation Aprol
Vendors & Products Br-automation
Br-automation industrial Automation Aprol
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper certificate validation vulnerability in B&R Industrial Automation GmbH APROL. This issue affects APROL: before R 4.4-01P5.
Title Improper Certificate Validation
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.1, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ABB
Published
Updated
Jul 6, 2026, 6:49 PM
Reserved
Apr 23, 2026, 8:25 AM
Status
Deferred
Published
Jul 6, 2026, 11:16 AM
Modified
Oct 25, 2026, 8:10 PM