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description: "CVE-2026-45730 is a High (8.3) vulnerability: Nuclio is a 'Serverless' framework for Real-Time Events and Data Processing.. This entry ships a detection-only PoC and a Docker te..." keywords: "CVE-2026-45730, CVE-2026-45730 detection, CVE-2026-45730 poc, Nuclio is a "Serverless" framework for Real-Time Events and Data Processing."


CVE-2026-45730 — Nuclio is a "Serverless" framework for Real-Time Events and Data Processing.

Key facts

CVE-2026-45730 is a High (8.3) vulnerability: Nuclio is a "Serverless" framework for Real-Time Events and Data Processing.. This entry ships a detection-only PoC and a Docker test lab.

CVE CVE-2026-45730
Severity High (8.3)
Detection / prevention —
PoC poc.py
Source 2026/CVE-2026-45730/

Details

English | 한국어

Description

Nuclio is a "Serverless" framework for Real-Time Events and Data Processing. Prior to version 1.16.0, there is a vulnerability in Nuclio Dashboard's project management API, allowing any authenticated user (without membership in the target project) to bypass OPA authorization checks on write paths (PUT /api/projects/{id}, DELETE /api/projects) and modify or delete any project along with all its associated resources (functions, API gateways, etc.). This issue has been patched in version 1.16.0.

Vulnerability Details

Property Value
CVE ID CVE-2026-45730
Type RCE
CVSS Score 8.3

Proof of Concept

Download

# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-45730/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-2026-45730

# 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/nuclio/nuclio/commit/1915cd26d514dcdd487517d4be56673fc02298e0
  • https://github.com/nuclio/nuclio/pull/4107
  • https://github.com/nuclio/nuclio/releases/tag/1.16.0
  • https://github.com/nuclio/nuclio/security/advisories/GHSA-m8xg-8xg9-mxhm

Generated by PoC Generator on 2026-09-03T04:15:03.669861949

Frequently asked questions

What is CVE-2026-45730?

CVE-2026-45730 is a High (8.3) vulnerability: Nuclio is a "Serverless" framework for Real-Time Events and Data Processing.. This entry ships a detection-only PoC and a Docker test lab.

How do I detect CVE-2026-45730?

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-2026-45730?

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.