HIGH CVSS 8.3
Published: 2026-02-27

CVE-2026-2751

centreon centreon_web Security Advisory (CVE-2026-2751)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-2751 impacting centreon centreon_web. Evaluated with CVSS Base Score of 8.3 (HIGH).

Original NVD Description

Source: NIST NVD
Blind SQL Injection via unsanitized array keys in Service Dependencies deletion. Vulnerability in Centreon Centreon Web on Central Server on Linux (Service Dependencies modules) allows Blind SQL Injection.This issue affects Centreon Web on Central Server before 25.10.8, 24.10.20, 24.04.24.

📊 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
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product centreon / centreon_web
Affected Versions *
Weakness Enumeration CWE-89

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-2026-2751 impacting centreon centreon_web.

⚡ Nuclei Detection Template (YAML) cve-2026-2751.yaml
id: cve-2026-2751

info:
  name: centreon centreon_web - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2026-2751 affecting centreon centreon_web.
    Evaluation: Blind SQL Injection via unsanitized array keys in Service Dependencies deletion. Vulnerability in Centreon Centreon Web on Central Server on Linux (Se...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-2751
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
    cvss-score: 8.3
    cve-id: CVE-2026-2751
    cwe-id: CWE-89
  tags: cve,cve-2026-2751,centreon,centreon_web,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "centreon_web"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-2751.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-2751
# Target: centreon centreon_web | CVSS: 8.3 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-2751 (centreon centreon_web)...")
    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 centreon centreon_web 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-2026-2751.sh
# Recommended Remediation & Patching Commands for CVE-2026-2751
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install centreon_web 2>/dev/null || \
sudo dnf upgrade centreon_web 2>/dev/null || \
sudo yum update centreon_web

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

# 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
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Distributions
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❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2026-2751 in centreon centreon_web?

Review vendor-specific security notices and update centreon centreon_web 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-2026-2751?

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-2026-2751?

CVE-2026-2751 is classified with a CVSS 3.1 Base Score of 8.3 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.3
HIGH SEVERITY
CVE ID CVE-2026-2751
Weakness CWE-89
Vendor centreon
Product centreon_web
Published 2026-02-27
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L