🛡️ CVE-2026-32588 — cassandra

🟡 CVSS 6.5 — Medium ✅ No Known Exploit CWE-400 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Apache Cassandra has an authenticated DoS over CQL

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-32588 is classified as CWE-400: Uncontrolled Resource Consumption. A request can consume memory, CPU or storage without limit, exhausting capacity for everyone else.

Affected software

CVE-2026-32588 is recorded against 2 packages.

  • cassandra (from 5.0.0 up to 5.0.7)
  • org.apache.cassandra:cassandra-all (from 5.0 up to 5.0.7)

Timeline and source

Published on 7 April 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

lists.apache.org
www.openwall.com

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE CWE-400
Public Exploit ✅ No
Source NVD
Published 2026-04-07
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
cassandra 5.0.0 5.0.7
org.apache.cassandra:cassandra-all 5.0 5.0.7

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