MEDIUM CVSS 6.3
Published: 2026-06-12

CVE-2026-44171

mariadb mariadb Security Advisory (CVE-2026-44171)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-44171 impacting mariadb mariadb. Evaluated with CVSS Base Score of 6.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, and 12.3.1, mbstream did not check for /../ in the path when unpacking the archive. A proper backup can never contain such paths, but a specially crafted archive could have caused mbstream to create files outside of the target-dir path. This issue has been patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
High (AC:H)
Depends on race conditions or environment
Privileges Required
High (PR:H)
Administrative credentials required
User Interaction
Required (UI:R)
User must click or open resource
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product mariadb / mariadb
Affected Versions *
Weakness Enumeration CWE-22

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-2026-44171 impacting mariadb mariadb.

⚡ Nuclei Detection Template (YAML) cve-2026-44171.yaml
id: cve-2026-44171

info:
  name: mariadb mariadb - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2026-44171 affecting mariadb mariadb.
    Evaluation: MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11....
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-44171
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 6.3
    cve-id: CVE-2026-44171
    cwe-id: CWE-22
  tags: cve,cve-2026-44171,mariadb,mariadb,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "mariadb"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-44171.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-44171
# Target: mariadb mariadb | CVSS: 6.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-44171 (mariadb mariadb)...")
    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 mariadb mariadb 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-2026-44171.sh
# Recommended Remediation & Patching Commands for CVE-2026-44171
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install mariadb 2>/dev/null || \
sudo dnf upgrade mariadb 2>/dev/null || \
sudo yum update mariadb

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

# 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-2026-44171 in mariadb mariadb?

Review vendor-specific security notices and update mariadb mariadb 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-2026-44171?

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-2026-44171?

CVE-2026-44171 is classified with a CVSS 3.1 Base Score of 6.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.3
MEDIUM SEVERITY
CVE ID CVE-2026-44171
Weakness CWE-22
Vendor mariadb
Product mariadb
Published 2026-06-12
Vector CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H