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CVE-2026-110621 — Swetrix Cloud before 5.1.0 contains a missing authorization vulnerability in…

Key facts

CVE-2026-110621 is a High (8.8) vulnerability: Swetrix Cloud before 5.1.0 contains a missing authorization vulnerability in…. This entry ships a detection-only PoC and a Docker test lab.

CVE CVE-2026-110621
Severity High (8.8)
Detection / prevention —
PoC poc.py
Source 2026/CVE-2026-110621/

Details

English | 한국어

Description

Swetrix Cloud before 5.1.0 contains a missing authorization vulnerability in ProjectController.addProject that allows authenticated users to hijack arbitrary projects by moving them into their own organisation. Attackers can create an organisation and add a victim project by its public tracking ID to read analytics, change settings, or delete it.

Vulnerability Details

Property Value
CVE ID CVE-2026-110621
CVSS Score 8.8

Proof of Concept

Download

# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-110621/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-2026-110621

# 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://github.com/Swetrix/swetrix/blob/v5.0.3/backend/apps/cloud/src/project/project.controller.ts#L888-L920
  • https://github.com/Swetrix/swetrix/commit/63eb76edcb446402ad1db5ff870920773f5ff588
  • https://github.com/Swetrix/swetrix/issues/477
  • https://github.com/Swetrix/swetrix/releases/tag/v5.1.0
  • https://www.vulncheck.com/advisories/swetrix-cloud-before-5.1.0-missing-authorization-via-post-project-organisation-orgid

Generated by PoC Generator on 2026-10-16T16:12:44.874952469

Frequently asked questions

What is CVE-2026-110621?

CVE-2026-110621 is a High (8.8) vulnerability: Swetrix Cloud before 5.1.0 contains a missing authorization vulnerability in…. This entry ships a detection-only PoC and a Docker test lab.

How do I detect CVE-2026-110621?

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-2026-110621?

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.