CVE-2026-32588: Apache Cassandra: Authenticated DoS via ALTER ROLE Password Hashing

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.5% · higher than 45% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

AC

Apache Cassandra · Apache Software Foundation

4.0 through 4.0.19; 4.1 through 4.1.10; 5.0 through 5.0.6 · source: vendor

CA

Cassandra · Apache

4.0.0 before 4.0.20; 4.1.0 before 4.1.11; 5.0.0 before 5.0.7 · source: NVD