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B&R APROL Improper Certificate Validation Exposes Encrypted Communications to Network Interception and Modification

Last refreshed2026-09-29

Status: NEW  |  Advisory ID: CVE-2026-6900

Key Details

CVECVE-2026-6900
CVSS Score / Version7.4 (High) / CVSS v3.1
Updated2026-07-06
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS Proseattack vector is network; attack complexity is high; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is none.
Classified asCWE-295 (Improper Certificate Validation)

What to Know

Improper certificate validation vulnerability in B&R Industrial Automation GmbH APROL.

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

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-6900
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-6900