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Posted to commits@cassandra.apache.org by "Stefan Miklosovic (Jira)" <ji...@apache.org> on 2025/12/04 19:03:00 UTC
[jira] [Updated] (CASSANDRA-21059) role can alter itself even if it does not have ALTER permission
[ https://issues.apache.org/jira/browse/CASSANDRA-21059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stefan Miklosovic updated CASSANDRA-21059:
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Summary: role can alter itself even if it does not have ALTER permission (was: granting a permission to a role and revoking that permission from role by that role results in a failure / role can alter itself even if it does not have ALTER permission)
> role can alter itself even if it does not have ALTER permission
> ---------------------------------------------------------------
>
> Key: CASSANDRA-21059
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21059
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Legacy/CQL
> Reporter: Stefan Miklosovic
> Priority: Normal
>
> {code}
> cassandra@cqlsh> GRANT ALTER PERMISSION ON ROLE stefan TO stefan;
> cassandra@cqlsh> exit
> $ ./bin/cqlsh -u stefan -p defff
> stefan@cqlsh> REVOKE ALTER PERMISSION ON ROLE stefan FROM stefan;
> Unauthorized: Error from server: code=2100 [Unauthorized] message="User stefan has no AUTHORIZE permission on <role stefan> or any of its parents"
> {code}
> Okay, while strange, not sure if this is a bug, I can assign AUTHORIZE
> {code}
> cassandra@cqlsh> GRANT AUTHORIZE PERMISSION ON ROLE stefan TO stefan;
> stefan@cqlsh> REVOKE ALTER PERMISSION ON ROLE stefan FROM stefan;
> this now passes
> stefan@cqlsh> ALTER ROLE stefan WITH PASSWORD = '123';
> and this is still possible!
> {code}
> However, I would expect that when I revoke ALTER permission on a role from that role, then that role will not be able to alter itself, right? Pretty logical ... but that is not the case! A user can alter itself even if it does not have ALTER permission on itself.
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