CVE-2026-55108 — KubeVela is an open source application delivery platform.¶
Key facts
CVE-2026-55108 is a High (8.5) vulnerability: KubeVela is an open source application delivery platform.. This entry ships a detection-only PoC and a Docker test lab.
| CVE | CVE-2026-55108 |
| Severity | High (8.5) |
| Detection / prevention | — |
| PoC | poc.py |
| Source | 2026/CVE-2026-55108/ |
Details¶
English | 한국어
Description¶
KubeVela is an open source application delivery platform. Prior to 1.9.14, from 1.10.0-alpha.1 until 1.10.9, and from 1.11.0-alpha.1 until 1.11.0-alpha.4, the Terraform remote configuration loader in pkg/controller/utils/capability.go, GetTerraformConfigurationFromRemote, clones a repository supplied through a core.oam.dev/v1beta1 ComponentDefinition and follows repository-controlled variables.tf or main.tf symlinks. A user with permission to create or update ComponentDefinition objects can point variables.tf to /dev/zero through terraform.path, after which os.Stat and os.ReadFile follow the link and read an unbounded stream before ParseTerraformVariables or HCL parsing can reject the content. The read can exhaust memory, OOM-kill the cluster-wide vela-core controller, cause repeated Pod restarts, and pressure node memory when no effective container limit is configured. This issue is fixed in versions 1.9.14, 1.10.9, and 1.11.0-alpha.4.
Vulnerability Details¶
| Property | Value |
|---|---|
| CVE ID | CVE-2026-55108 |
| Type | RCE |
| CVSS Score | 8.5 |
Proof of Concept¶
Download¶
# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-55108/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-2026-55108
# 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/kubevela/kubevela/commit/65dedda40a69cc1eccf4072a4c835e5b9f13334e
- https://github.com/kubevela/kubevela/commit/7a4e59b2958ce1cf031fafbc188d6fafe8fe4d2e
- https://github.com/kubevela/kubevela/commit/f6a64398b5e0065c57c3a0fb6765dd3dc48c749d
- https://github.com/kubevela/kubevela/pull/7191
- https://github.com/kubevela/kubevela/pull/7192
- https://github.com/kubevela/kubevela/releases/tag/v1.10.9
- https://github.com/kubevela/kubevela/releases/tag/v1.11.0-alpha.4
- https://github.com/kubevela/kubevela/releases/tag/v1.9.14
- https://github.com/kubevela/kubevela/security/advisories/GHSA-fmgp-q6jx-gg3x
- https://github.com/kubevela/kubevela/security/advisories/GHSA-fmgp-q6jx-gg3x
Generated by PoC Generator on 2026-08-30T00:43:11.914163659
Frequently asked questions¶
What is CVE-2026-55108?¶
CVE-2026-55108 is a High (8.5) vulnerability: KubeVela is an open source application delivery platform.. This entry ships a detection-only PoC and a Docker test lab.
How do I detect CVE-2026-55108?¶
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-2026-55108?¶
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.