Critical severity · published Jul 21, 2026
CVE-2026-64878
Command Injection
9.9
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Security Center · Tenable, Inc.
before 6.8.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-64878
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-64878
Patch
https://www.tenable.com/security/tns-2026-19
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