How severe is CVE-2026-6901?

CVE-2026-6901 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-6901 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-6901?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-6901 published?

CVE-2026-6901 was published on 2026-07-06.

CVE-2026-6901

CVE-2026-6901 is a high-severity vulnerability with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-426.

Key facts

Severity: High (CVSS 3.x base score 7.7)
CVSS v4: 8.4
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-426
Published: 2026-07-06
Last modified: 2026-07-06

Description

Untrusted Search Path vulnerability in B&R Industrial Automation GmbH APROL. This issue affects APROL: before R 4.4-01P5.

Frequently asked questions

What is CVE-2026-6901?: Untrusted Search Path vulnerability in B&R Industrial Automation GmbH APROL. This issue affects APROL: before R 4.4-01P5.
How severe is CVE-2026-6901?: CVE-2026-6901 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-6901 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-6901?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-6901 published?: CVE-2026-6901 was published on 2026-07-06.

References

https://br-cws-assets.de-fra-1.linodeobjects.com/SA26P011-661853b7.pdf

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