CVE-2026-19681: tenable, inc. security center OS Command Injection

Vulnerability summary

CVE-2026-19681 is a critical (CVSS 9.9) OS Command Injection vulnerability in tenable, inc. security center. EPSS estimates a 9.94% chance of exploitation in the next 30 days, higher than 95.5% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 14-08-2026
   PublishedVulnerability first disclosed.
2. 15-08-2026
   Last modifiedVulnerability information updated.

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.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')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.