CVE-2026-110649 — Stills before 25.24.2 contains an OS command injection vulnerability that allows…¶
Key facts
CVE-2026-110649 is a Critical (9.8) vulnerability: Stills before 25.24.2 contains an OS command injection vulnerability that allows…. This entry ships a detection-only PoC and a Docker test lab.
| CVE | CVE-2026-110649 |
| Severity | Critical (9.8) |
| Detection / prevention | — |
| PoC | poc.py |
| Source | 2026/CVE-2026-110649/ |
Details¶
English | 한국어
Description¶
Stills before 25.24.2 contains an OS command injection vulnerability that allows attackers to execute shell commands by supplying crafted media file paths. Attackers can name a media file with $(...) or backticks to execute operating system commands with Node.js process privileges when ffmpeg, ffprobe, gifsicle, or convert runs.
Vulnerability Details¶
| Property | Value |
|---|---|
| CVE ID | CVE-2026-110649 |
| Type | RCE |
| CVSS Score | 9.8 |
Proof of Concept¶
Download¶
# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-110649/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-2026-110649
# 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/shahkashani/stills/blob/66d5def1265b817d84524473a2813e4781dcbd80/lib/content/video.js#L58-L60
- https://github.com/shahkashani/stills/blob/66d5def1265b817d84524473a2813e4781dcbd80/lib/stills/frames.js#L106-L108
- https://github.com/shahkashani/stills/commit/51ba953983ba99915331607bf8530e6089952253
- https://github.com/shahkashani/stills/commit/5694b3b0dcd2da342f4f0497244129d4c9eb73bc
- https://github.com/shahkashani/stills/pull/29
- https://github.com/shahkashani/stills/pull/30
- https://www.vulncheck.com/advisories/stills-before-25.24.2-os-command-injection-via-media-file-names
Generated by PoC Generator on 2026-10-15T03:10:49.602147314
Frequently asked questions¶
What is CVE-2026-110649?¶
CVE-2026-110649 is a Critical (9.8) vulnerability: Stills before 25.24.2 contains an OS command injection vulnerability that allows…. This entry ships a detection-only PoC and a Docker test lab.
How do I detect CVE-2026-110649?¶
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-2026-110649?¶
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.