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https://issues.apache.org/jira/browse/KAFKA-7702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajini Sivaram resolved KAFKA-7702.
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Resolution: Fixed
Reviewer: Jun Rao
> Prefixed ACLs don't work with single character prefix
> -----------------------------------------------------
>
> Key: KAFKA-7702
> URL: https://issues.apache.org/jira/browse/KAFKA-7702
> Project: Kafka
> Issue Type: Bug
> Components: security
> Affects Versions: 2.0.1, 2.1.0
> Reporter: Rajini Sivaram
> Assignee: Rajini Sivaram
> Priority: Major
> Fix For: 2.2.0, 2.1.1, 2.0.2
>
>
> Prefixed ACLs with a single character are not matched correctly against
> resource names. ALLOW rule with single character prefix doesn't grant access
> to any resource and DENY rule with single character prefix doesn't deny
> access to any resource since the prefix is not matched correctly.
> This is not an exploitable security vulnerability since only authenticated
> users with authorization to create ACLs can create the prefixed ACLs.
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