CVE-2026-64878: Command Injection (CVSS 9.9)

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.

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CVSS v3.1 Score

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-78 OS Command Injection

References

Other References

https://www.tenable.com/security/tns-2026-19

Frequently Asked Questions

What is CVE-2026-64878? +

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. It has a CVSS v3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2026-64878? +

CVE-2026-64878 has a CVSS v3.1 score of 9.9 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

How do I check if I'm vulnerable to CVE-2026-64878? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-64878