CVE-2026-32588

Apache Cassandra: Authenticated DoS via ALTER ROLE Password Hashing

State: Published
Severity: 6.5 Medium
Published: Apr 7, 2026
Updated: Apr 9, 2026
Reserved: Mar 12, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
Apache CassandraApache Software Foundation	4.0 through 4.0.19Affected 4.1 through 4.1.10Affected 5.0 through 5.0.6Affected

References

https://lists.apache.org/thread/2tnwjdnss378glxrsmnlzz3k53ftphrcvendor-advisory
http://www.openwall.com/lists/oss-security/2026/04/07/9

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