Sceawere
Vulnerability Detail
CVE-2026-19681UPDATED Verified Sceawere Triage Sources: NVD / CISA KEV
Security Center File Upload Command Injection
Vulnerability Metadata
- Severity
- Critical
- Score / CVSS
- 9.9
- Creation Date
- 3h ago
- Vendor
- Tenable, Inc.
- Product
- Security Center
- Attack Type
- CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Attack Complexity
- LOW
Narrative and Response
Description
An authenticated command injection vulnerability exists in Security Center related to file upload processing. An attacker could exploit this issue by uploading a specially crafted file, potentially resulting in arbitrary command execution on the underlying operating system.
Executive Summary
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Technical Details
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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Mitigations
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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
References
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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Additional Metadata
{
"score": "9.9",
"pubDate": "2026-08-14T18:17:23.480Z",
"pubdate": "2026-08-14T18:17:23.480Z",
"executiveSummary": "An authenticated command injection vulnerability has been identified within Security Center, specifically associated with the application's file upload processing mechanism. The flaw arises from improper sanitization or validation of user-supplied input contained within uploaded files, allowing an authenticated attacker to inject arbitrary operating system commands.\nSuccessful exploitation of this vulnerability can lead to arbitrary command execution on the underlying operating system hosting the vulnerable Security Center instance, potentially granting the adversary complete control over the affected host. The primary risk implication includes full system compromise, data exfiltration, and lateral movement within the enterprise network.\nThe attacker capabilities require valid authentication to the application to access the vulnerable file upload functionality. Once authenticated, the attacker must supply a specially crafted file designed to trigger the underlying command injection flaw during the server-side processing phase. The vulnerability presents a severe risk to confidentiality, integrity, and availability of the affected systems.",
"technicalDetails": "The root cause of this vulnerability is rooted in insecure file upload processing logic within Security Center. When a file is uploaded, the application improperly handles or sanitizes the file contents or metadata, passing unsafe input directly to an underlying operating system shell or command interpreter. This lack of robust input validation and parameterization enables command injection conditions.\nThe vulnerability resides within the file upload processing component of Security Center. Exploitation requires the attacker to possess valid authentication credentials to interact with the authenticated interface where file uploads are accepted. Network exposure depends on the deployment architecture, typically accessible via HTTP or HTTPS interfaces exposed by the application server.\nThe attack flow proceeds in a sequential manner. First, the authenticated attacker crafts a malicious file containing embedded operating system commands structured to break out of the intended file processing context and execute arbitrary shell commands. Second, the attacker uploads this specially crafted file through the designated administrative or user-facing file upload functionality within Security Center. Third, the application processes the uploaded file on the backend server. Due to the lack of adequate input sanitization, the injected command payload is interpreted and executed by the underlying operating system shell with the privileges of the application process.\nThe post-exploitation impact of this vulnerability is critical. Arbitrary command execution on the underlying operating system allows the adversary to establish persistence, deploy web shells, access sensitive configuration files, pivot to internal network segments, and execute arbitrary binaries or scripts. The severity is amplified if Security Center runs with elevated privileges, such as root or local system accounts."
}