CVE-2026-49435 — Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow.¶
Key facts
CVE-2026-49435 is a Critical (9.8) vulnerability: Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow.. This entry ships a detection-only PoC and a Docker test lab.
| CVE | CVE-2026-49435 |
| Severity | Critical (9.8) |
| Detection / prevention | — |
| PoC | poc.py |
| Source | 2026/CVE-2026-49435/ |
Details¶
English | 한국어
Description¶
Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet and execute arbitrary code with administrative privileges.
Vulnerability Details¶
| Property | Value |
|---|---|
| CVE ID | CVE-2026-49435 |
| CVSS Score | 9.8 |
Proof of Concept¶
Download¶
# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-49435/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-2026-49435
# 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://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-216-01.json
- https://www.cve.org/CVERecord?id=CVE-2026-49435
- https://www.keysight.com/us/en/about/quality-and-security/security/product-and-solution-cyber-security/security-advisory-archive/security-advisory--ixchariot-vulnerability.html
- https://www.keysight.com/us/en/lib/software-detail/computer-software/hawkeye.html
- https://www.keysight.com/us/en/lib/software-detail/computer-software/ixchariot.html
- https://www.keysight.com/us/en/lib/software-detail/instrument-firmware-software/ixprobe.html
- https://www.keysight.com/us/en/product/IXTP-CU3-T/copper-taps---ixtp-cu3-t.html
Generated by PoC Generator on 2026-08-10T10:35:49.383243731
Frequently asked questions¶
What is CVE-2026-49435?¶
CVE-2026-49435 is a Critical (9.8) vulnerability: Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow.. This entry ships a detection-only PoC and a Docker test lab.
How do I detect CVE-2026-49435?¶
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-2026-49435?¶
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.