Authenticated DoS via CQL Password Change in Apache Cassandra 5.0.7
CVE-2026-32588 Published on April 7, 2026
Apache Cassandra: Authenticated DoS via ALTER ROLE Password Hashing
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.
Vulnerability Analysis
CVE-2026-32588 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-32588 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2026-32588
Want to know whenever a new CVE is published for Apache Cassandra? stack.watch will email you.
Affected Versions
Apache Software Foundation Apache Cassandra:- Version 4.0, <= 4.0.19 is affected.
- Version 4.1, <= 4.1.10 is affected.
- Version 5.0, <= 5.0.6 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.