CVE-2026-66027 — Suna before 0.9.102 contains a broken access control vulnerability in the message queue…¶
Key facts
CVE-2026-66027 is a High (8.3) vulnerability: Suna before 0.9.102 contains a broken access control vulnerability in the message queue…. This entry ships a detection-only PoC and a Docker test lab.
| CVE | CVE-2026-66027 |
| Severity | High (8.3) |
| Detection / prevention | — |
| PoC | poc.py |
| Source | 2026/CVE-2026-66027/ |
Details¶
English | 한국어
Description¶
Suna before 0.9.102 contains a broken access control vulnerability in the message queue API that allows authenticated attackers to access and manipulate queue resources belonging to other users by exploiting missing ownership and account isolation checks. Attackers can read pending prompt queues of all users, read or delete individual sessions, and inject arbitrary prompts into another user's session queue, causing the background drainer to forward malicious messages to the victim's running AI agent with the victim's credentials and permissions.
Vulnerability Details¶
| Property | Value |
|---|---|
| CVE ID | CVE-2026-66027 |
| 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-2026-66027/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-2026-66027
# 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/geo-chen/oss/blob/main/suna.md
- https://github.com/kortix-ai/suna/commit/7536a7d47fc93abcb66e677fcc993b390c81296a
- https://github.com/kortix-ai/suna/pull/4373
- https://github.com/kortix-ai/suna/releases/tag/v0.9.102
- https://www.vulncheck.com/advisories/suna-broken-access-control-via-message-queue-api
Generated by PoC Generator on 2026-08-04T13:06:26.544321808
Frequently asked questions¶
What is CVE-2026-66027?¶
CVE-2026-66027 is a High (8.3) vulnerability: Suna before 0.9.102 contains a broken access control vulnerability in the message queue…. This entry ships a detection-only PoC and a Docker test lab.
How do I detect CVE-2026-66027?¶
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-2026-66027?¶
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.