Tenable Asset Filter RCE via Shell Metachar Escape
CVE-2026-64878 Published on July 21, 2026
Command Injection
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.
Vulnerability Analysis
CVE-2026-64878 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Shell injection Vulnerability?
The software 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.
CVE-2026-64878 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2026-64878
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Affected Versions
Tenable, Inc. Security Center:- Before 6.8.0 is affected.