Vulnerability · Published Jul 21, 2026 · Assigned by tenable
CVE-2026-64878Command Injection
Critical 9.9
In plain English
A critical-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 0.8% (higher than 57% of all known vulnerabilities).
Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)0.8%top 43.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unvalidated input in asset filter parameters allows shell metacharacters to escape command argument handling, resulting in remote code execution as a low-privileged OS user via the Analysis REST endpoint.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Tenable, Inc. | Security Center | 0 – before 6.8.0 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H