CVE-2026-85452 — MOOS ui-moos through 50b9c6c contains a buffer overflow vulnerability in ScopeTabPane.cpp…¶
Key facts
CVE-2026-85452 is a High (8.8) vulnerability: MOOS ui-moos through 50b9c6c contains a buffer overflow vulnerability in ScopeTabPane.cpp…. This entry ships a detection-only PoC and a Docker test lab.
| CVE | CVE-2026-85452 |
| Severity | High (8.8) |
| Detection / prevention | — |
| PoC | poc.py |
| Source | 2026/CVE-2026-85452/ |
Details¶
English | 한국어
Description¶
MOOS ui-moos through 50b9c6c contains a buffer overflow vulnerability in ScopeTabPane.cpp and ScopeGrid.cpp where client and variable names are formatted into fixed 1024-byte buffers using sprintf without length validation. Attackers can supply arbitrarily long MOOS identifiers that overflow the buffers when an operator selects process list entries or pokes variables, enabling code execution.
Vulnerability Details¶
| Property | Value |
|---|---|
| CVE ID | CVE-2026-85452 |
| Type | RCE |
| CVSS Score | 8.8 |
Proof of Concept¶
Download¶
# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-85452/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-2026-85452
# 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/themoos/ui-moos
- https://github.com/themoos/ui-moos/blob/50b9c6c65169c501f746cfef1e167f74a7735e74/Tools/Graphical/uMS/ScopeTabPane.cpp#L243
- https://github.com/themoos/ui-moos/commit/a6ebc0bc6cb360315ce620e865f996d189cddb0e
- https://github.com/themoos/ui-moos/pull/5
- https://www.vulncheck.com/advisories/moos-ui-moos-through-50b9c6c-ums-buffer-overflow-via-long-moos-identifiers
Generated by PoC Generator on 2026-09-04T13:57:46.951187239
Frequently asked questions¶
What is CVE-2026-85452?¶
CVE-2026-85452 is a High (8.8) vulnerability: MOOS ui-moos through 50b9c6c contains a buffer overflow vulnerability in ScopeTabPane.cpp…. This entry ships a detection-only PoC and a Docker test lab.
How do I detect CVE-2026-85452?¶
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-2026-85452?¶
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.