MEDIUM CVSS 6.5
Published: 2026-04-07

CVE-2026-32588

apache cassandra Security Advisory (CVE-2026-32588)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2026-32588?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-32588 impacting apache cassandra. Evaluated with CVSS Base Score of 6.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
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 v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
Low (PR:L)
Standard user access required
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product apache / cassandra
Affected Versions *
Weakness Enumeration CWE-400

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2026-32588 impacting apache cassandra.

⚡ Nuclei Detection Template (YAML) cve-2026-32588.yaml
id: cve-2026-32588

info:
  name: apache cassandra - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2026-32588 affecting apache cassandra.
    Evaluation: 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 a...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-32588
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    cvss-score: 6.5
    cve-id: CVE-2026-32588
    cwe-id: CWE-400
  tags: cve,cve-2026-32588,apache,cassandra,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "cassandra"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-32588.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-32588
# Target: apache cassandra | CVSS: 6.5 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-32588 (apache cassandra)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against apache cassandra scope (*).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2026-32588.sh
# Recommended Remediation & Patching Commands for CVE-2026-32588
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install cassandra 2>/dev/null || \
sudo dnf upgrade cassandra 2>/dev/null || \
sudo yum update cassandra

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i cassandra 2>/dev/null || rpm -qa | grep -i cassandra

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2026-32588 in apache cassandra?

Review vendor-specific security notices and update apache cassandra packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2026-32588?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2026-32588?

CVE-2026-32588 is classified with a CVSS 3.1 Base Score of 6.5 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.5
MEDIUM SEVERITY
CVE ID CVE-2026-32588
Weakness CWE-400
Vendor apache
Product cassandra
Published 2026-04-07
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H