CVE-2026-32588: Apache Cassandra has an authenticated DoS over CQL

CVE-2026-32588 · Severity: medium · CVSS 6.5 · Published 2026-04-07

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.

Technologies: Apache Cassandra, org.apache.cassandra:cassandra-all (Maven). Vendors: Apache, Maven.

Quick answers

Is CVE-2026-32588 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-32588 being exploited in the wild.
How severe is CVE-2026-32588?
Medium severity, with a CVSS score of 6.5, published 7 April 2026.
Which products and versions are affected?
org.apache.cassandra:cassandra-all (Maven) ECOSYSTEM:introduced=4.0,fixed=4.0.20.
Is there a fix for CVE-2026-32588?
Yes. org.apache.cassandra:cassandra-all (Maven): upgrade to 4.0.20 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-32588?
Check whether you run Apache Cassandra or org.apache.cassandra:cassandra-all (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • org.apache.cassandra:cassandra-all (Maven): upgrade to 4.0.20 or later
    # set org.apache.cassandra:cassandra-all to 4.0.20 in your pom.xml or build.gradle

Affected products

  • Apache Cassandra
  • org.apache.cassandra:cassandra-all (Maven) ECOSYSTEM:introduced=4.0,fixed=4.0.20

Identifiers

  • CVE-2026-32588
  • GHSA-qffm-gf3j-6mvg

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