CVE-2026-26009
Root-Level Remote Code Execution via Template Scripts in Catalyst
Publication date: 2026-02-10
Last updated on: 2026-02-10
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| karutoil | catalyst | * |
| karutoil | catalyst-agent | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-78 | The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in Catalyst, a platform used for enterprise game server hosts, game communities, and billing panel integrations. The issue arises because install scripts defined in server templates execute directly on the host operating system as root via bash -c, without any sandboxing or containerization. This means that any user who has the template.create or template.update permission can define arbitrary shell commands that will run with full root privileges on every node machine in the cluster.
How can this vulnerability impact me? :
The vulnerability allows an attacker with certain permissions to execute arbitrary commands as root on all nodes in the cluster. This can lead to full remote code execution with the highest level of privileges, potentially compromising the entire system, stealing data, disrupting services, or installing malicious software.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know