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Posted to user@cassandra.apache.org by Michael Semb Wever <mc...@apache.org> on 2026/04/07 13:57:54 UTC

CASSANDRA-21202: CVE-2026-32588: Apache Cassandra: Authenticated DoS via ALTER ROLE Password Hashing

Severity: low 

Affected versions:

- Apache Cassandra (org.apache.cassandra:cassandra-all) 4.0 through 4.0.19
- Apache Cassandra (org.apache.cassandra:cassandra-all) 4.1 through 4.1.10
- Apache Cassandra (org.apache.cassandra:cassandra-all) 5.0 through 5.0.6

Description:

Authenticated DoS over CQL in Apache Cassandra 4.0, 4.1, 5.0 allows authenticated user to raise query latencies via repeated password changes.
Users are recommended to upgrade to version 4.0.20, 4.1.11, 5.0.7, which fixes this issue.

Credit:

Youlong Chen, Institute of Computing Technology, Chinese Academy of Sciences (reporter)

References:

https://cassandra.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-32588