Vulnerability · Published Aug 14, 2026 · Assigned by tenable
CVE-2026-19679Improper Input Validation
High 8.8
In plain English
A high-severity OS command injection in Security Center from Tenable, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.6%top 24.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Tenable, Inc. | Security Center | 0 – before 6.9.0 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.tenable.com/security/tns-2026-22 vendor-advisory