CVE-2026-71504 — Dolibarr before 24.0.0 contains an improper authorization vulnerability in the Members…¶
Key facts
CVE-2026-71504 is a High (8.1) vulnerability: Dolibarr before 24.0.0 contains an improper authorization vulnerability in the Members…. This entry ships a detection-only PoC and a Docker test lab.
| CVE | CVE-2026-71504 |
| Severity | High (8.1) |
| Detection / prevention | — |
| PoC | poc.py |
| Source | 2026/CVE-2026-71504/ |
Details¶
English | 한국어
Description¶
Dolibarr before 24.0.0 contains an improper authorization vulnerability in the Members REST API that allows attackers with only member-creation rights to reset the password of any user account, including the system administrator, without verifying password-change permissions. Attackers can supply an arbitrary user account identifier and new password in the request body to overwrite credentials and immediately lock out the legitimate account holder.
Vulnerability Details¶
| Property | Value |
|---|---|
| CVE ID | CVE-2026-71504 |
| CVSS Score | 8.1 |
Proof of Concept¶
Download¶
# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-71504/poc.py
Usage¶
# Run PoC against target
python3 poc.py --target <TARGET_URL>
# With authentication
python3 poc.py --target <TARGET_URL> --username <USER> --password <PASS>
⚠️ Warning: This PoC is for authorized security testing only. It uses detection-only techniques and does not exploit or damage target systems.
Test Lab¶
This repository includes a Docker-based test environment with both vulnerable and patched applications.
Quick Start¶
# Clone and navigate to CVE directory
cd CVE-2026-71504
# Start both applications
docker-compose up -d
# Run tests
./run-tests.sh # Linux/Mac
./run-tests.ps1 # Windows PowerShell
Application Endpoints¶
| Application | URL | Status |
|---|---|---|
| Vulnerable App | http://localhost:8080 | Shows vulnerability |
| Patched App | http://localhost:8081 | Demonstrates fix |
Directory Structure¶
├── README.md # English documentation
├── README_KO.md # Korean documentation
├── poc.py # PoC detection script
├── docker-compose.yml # Container orchestration
├── run-tests.sh # Linux/Mac test runner
├── run-tests.ps1 # Windows test runner
├── vulnerable-app/ # Vulnerable version
│ ├── app.py
│ ├── Dockerfile
│ └── requirements.txt
└── patched-app/ # Fixed version
├── app.py
├── Dockerfile
└── requirements.txt
References¶
- https://codeant.ai/security-research/cve-2026-71504-mass-assignment-in-members-api-via-pass
- https://github.com/Dolibarr/dolibarr/commit/fbf476cc5d9a21b16bfa04ab17d4e84eda38d7ce
- https://github.com/Dolibarr/dolibarr/releases/tag/24.0.0
- https://www.vulncheck.com/advisories/dolibarr-members-rest-api-improper-authorization-via-password-reset
Generated by PoC Generator on 2026-08-25T05:30:47.426577666
Frequently asked questions¶
What is CVE-2026-71504?¶
CVE-2026-71504 is a High (8.1) vulnerability: Dolibarr before 24.0.0 contains an improper authorization vulnerability in the Members…. This entry ships a detection-only PoC and a Docker test lab.
How do I detect CVE-2026-71504?¶
Run the detection-only PoC included with this entry against your Docker test lab to confirm whether a target is affected; pair it with your own IDS logging.
How do I block or mitigate CVE-2026-71504?¶
Upgrade to a fixed version per the vendor advisory; the NVD record lists the affected versions. Use the included PoC to verify your remediation.
For authorized security testing and research only. See the full source and NVD record.