Bug 2456105 (CVE-2026-32588)

Summary: CVE-2026-32588 Apache Cassandra: Apache Cassandra: Denial of Service via repeated password changes
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: asoldano, bbaranow, bmaxwell, bstansbe, dlofthou, gmalinko, istudens, ivassile, iweiss, janstey, mosmerov, msvehla, nwallace, pberan, pdelbell, pesilva, pjindal, pmackay, rstancel, rstepani, smaestri, thjenkin, vdosoudi
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in Apache Cassandra. An authenticated user can exploit this vulnerability by repeatedly changing their password over the Cassandra Query Language (CQL). This action can significantly increase query latencies, leading to a Denial of Service (DoS) for the system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2456673    
Bug Blocks:    

Description OSIDB Bzimport 2026-04-07 18:02:33 UTC
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.