CVE-2026-2630
Command Injection in Tenable Security Center Enables Remote Code Execution
Publication date: 2026-02-17
Last updated on: 2026-02-17
Assigner: Tenable Network Security, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tenable | security_center | 6.5.1 |
| tenable | security_center | 6.6.0 |
| tenable | security_center | 6.7.2 |
| apache | http_server | 2.4.66 |
| php | php | 8.2.30 |
| curl | libcurl | 8.18.0 |
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?
CVE-2026-2630 is a Command Injection vulnerability in Tenable Security Center that allows an authenticated remote attacker to execute arbitrary code on the underlying server hosting the application.
This vulnerability arises from improper neutralization of special elements used in operating system commands (classified as CWE-78), enabling attackers to inject and run malicious commands remotely.
How can this vulnerability impact me? :
An attacker exploiting this vulnerability can execute arbitrary code on the server, potentially leading to full compromise of the system.
- Loss of confidentiality, as sensitive data on the server could be accessed.
- Loss of integrity, since the attacker can modify data or system configurations.
- Loss of availability, as the attacker could disrupt services or cause denial of service.
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?
To mitigate the CVE-2026-2630 Command Injection vulnerability in Tenable Security Center, you should immediately apply the security patches released by Tenable.
- Apply patch SC-202602.2 which specifically addresses the critical Command Injection vulnerability.
- Also apply patch SC-202602.1 to upgrade Apache to version 2.4.66, PHP to version 8.2.30, and libcurl to version 8.18.0, mitigating related vulnerabilities.
These patches are available from the Tenable Downloads Portal and should be applied promptly to reduce risk.