HIGH CVSS 8.1
Published: 2026-07-15

CVE-2026-57821

apache fineract Security Advisory (CVE-2026-57821)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-57821 impacting apache fineract. Evaluated with CVSS Base Score of 8.1 (HIGH).

Original NVD Description

Source: NIST NVD
A SQL Injection vulnerability exists in Apache Fineract's Office Search API (GET /api/v1/offices) in versions up to and including 1.14.0. The orderBy request parameter is concatenated into a SQL query without sufficient validation, allowing an authenticated user with permission to view offices to inject arbitrary SQL via a crafted orderBy value. This is a bypass of the ColumnValidator fix introduced for CVE-2024-32838, which does not detect bare subqueries in the ORDER BY position. This can be leveraged to perform time-based blind SQL injection for data exfiltration. Because the injected query blocks the database connection for its full duration, concurrent exploitation can exhaust the application's database connection pool, resulting in denial of service for other users. Users are recommended to upgrade to a version containing the fix.

📊 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
None (I:N)
No system modification impact
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product apache / fineract
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-2026-57821 impacting apache fineract.

⚡ Nuclei Detection Template (YAML) cve-2026-57821.yaml
id: cve-2026-57821

info:
  name: apache fineract - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2026-57821 affecting apache fineract.
    Evaluation: A SQL Injection vulnerability exists in Apache Fineract's Office Search API (GET /api/v1/offices) in versions up to and including 1.14.0. The ord...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-57821
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
    cvss-score: 8.1
    cve-id: CVE-2026-57821
    cwe-id: CWE-89
  tags: cve,cve-2026-57821,apache,fineract,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "fineract"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-57821.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-57821
# Target: apache fineract | CVSS: 8.1 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-57821 (apache fineract)...")
    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 fineract 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-2026-57821.sh
# Recommended Remediation & Patching Commands for CVE-2026-57821
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install fineract 2>/dev/null || \
sudo dnf upgrade fineract 2>/dev/null || \
sudo yum update fineract

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

# 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

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2026-57821 in apache fineract?

Review vendor-specific security notices and update apache fineract 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-2026-57821?

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-2026-57821?

CVE-2026-57821 is classified with a CVSS 3.1 Base Score of 8.1 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.1
HIGH SEVERITY
CVE ID CVE-2026-57821
Weakness CWE-89
Vendor apache
Product fineract
Published 2026-07-15
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H