CVE-2026-32588: Apache Cassandra

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

• Apache Cassandra: from 4.0.0, before 4.0.20 (fixed in 4.0.20); from 4.1.0, before 4.1.11 (fixed in 4.1.11); from 5.0.0, before 5.0.7 (fixed in 5.0.7)

Published 2026-04-07. Last modified 2026-06-17.