Vulnerability · Published Jul 6, 2026 · Assigned by ABB
CVE-2026-6900Improper Certificate Validation
High 7.4
In plain English
A high-severity improper certificate validation in APROL from B&R Industrial Automation GmbH. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.2%top 87.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper certificate validation vulnerability in B&R Industrial Automation GmbH APROL. This issue affects APROL: before R 4.4-01P5.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| B&R Industrial Automation GmbH | APROL | 0 – before R 4.4-01P5 |
Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N