Authenticated DoS via CQL Password Change in Apache Cassandra 5.0.7
CVE-2026-32588 Published on April 7, 2026
Apache Cassandra: Authenticated DoS via ALTER ROLE Password Hashing
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.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-32588 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2026-32588
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Affected Versions
Apache Software Foundation Apache Cassandra:- Version 4.0, <= 4.0.19 is affected.
- Version 4.1, <= 4.1.10 is affected.
- Version 5.0, <= 5.0.6 is affected.