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Vulnerability Detail

CVE-2026-19679UPDATED Verified Sceawere Triage Sources: NVD / CISA KEV

Security Center File Upload Command Injection

Vulnerability Metadata

Severity
High
Score / CVSS
8.8
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:U/C:H/I:H/A:H
Attack Complexity
LOW

Narrative and Response

Description

An input validation vulnerability exists in Security Center's file upload handling, where insufficient sanitization of uploaded filenames could contribute to a downstream command injection issue.

Executive Summary

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Technical Details

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Mitigations

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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.

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Additional Metadata

{
  "score": "8.8",
  "pubDate": "2026-08-14T18:17:23.230Z",
  "pubdate": "2026-08-14T18:17:23.230Z",
  "executiveSummary": "An input validation vulnerability exists within the file upload handling mechanism of Security Center.\nThe flaw stems from insufficient sanitization of uploaded filenames, which allows malicious input to propagate into downstream execution contexts.\nSuccessful exploitation of this vulnerability can contribute to a downstream command injection issue, potentially allowing an attacker to execute arbitrary system commands with the privileges of the application.\nThe affected product is Security Center.\nThe risk implication is severe, as compromise of the file upload functionality can lead to complete system compromise, unauthorized data access, and remote code execution.\nAttacker capabilities include crafting malicious filenames designed to trigger command injection upon processing.\nExploitation requirements include the ability to interact with the file upload functionality of the affected Security Center component.",
  "technicalDetails": "The vulnerability is rooted in inadequate input validation and improper sanitization of filenames supplied during the file upload process within Security Center.\nWhen a user uploads a file, the application accepts the user-supplied filename without enforcing strict allowlisting or neutralizing metacharacters that hold special meaning in command interpreters or downstream shell execution functions.\nThe vulnerable component is the file upload handling routine, which subsequently passes the unsanitized filename string into a downstream execution context or shell command invocation.\nThe attack flow proceeds as follows: First, an attacker crafts a malicious filename containing shell command metacharacters or command injection sequences. Second, the attacker uploads the file with this maliciously crafted filename to the Security Center application. Third, the application's file upload handling mechanism processes the file and incorporates the raw, unsanitized filename into a system command or dynamic execution routine. Fourth, the underlying operating system shell interprets the embedded metacharacters, leading to the execution of attacker-supplied commands.\nThe payload behavior involves the execution of arbitrary system commands leveraging the security context of the vulnerable application process.\nPost-exploitation impact includes unauthorized execution of administrative commands, potential lateral movement, data exfiltration, or complete system compromise depending on the privilege level of the underlying service."
}
CVE-2026-19679: Security Center File Upload Command Injection (HIGH Severity, CVSS: 8.8) - Sceawere