CVE-2026-6901
highpriority · track · 0EPSS 0.002 · 5 %ileCHEUEPSS · scored 2026-10-23
Untrusted Search Path vulnerability in B&R Industrial Automation GmbH APROL. This issue affects APROL: before R 4.4-01P5.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedAPROLabb_psirt
The problem is corrected in the following product versions: - APROL >= R 4.4-01P5 B&R recommends that customers apply the update at earliest convenience. The process to install updates is described in the user manual. The step to identify the installed product version is described in the user manual.
- MitigationAPROLabb_psirt
Refer to section “General security recommendations” for further advise on how to keep your system secure.
- WorkaroundAPROLabb_psirt
Remove or replace all wildcard AliasMatch directives in the Apache configuration file For example, replace: AliasMatch ^/(.*)/PROJECTS/(.*)/WEB/(.*)/DOCS/(.*) "/home/$1/ENGIN/PROJECTS/$2/WEB/$3/DOCS/$4" with: AliasMatch ^/<systemname>/PROJECTS/<projectname>/WEB/(.*)/DOCS/(.*) "/home/<systemname>/PROJECTS/<projectname>/WEB/$1/DOCS/$2"
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–8.4
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- SA26P011Security Issues addressed in APROL R 4.4-01P52026-07-06csaf · abb_psirtCH
An update is available that resolves several vulnerabilities and updates one or more 3rd party components in the product versions listed as affected in the advisory. An attacker who successfully exploited these vulnerabilities could impact the availability of the product, spoof identities or elevate privileges.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
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