9.9
CRITICAL CVSS 3.1
CVE-2026-64878
Command Injection
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.

INFO

Published Date :

July 21, 2026, 8:17 p.m.

Last Modified :

July 21, 2026, 8:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-64878 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tenable security_center
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL 5ac1ecc2-367a-4d16-a0b2-35d495ddd0be
CVSS 3.1 CRITICAL [email protected]
CVSS 4.0 CRITICAL 5ac1ecc2-367a-4d16-a0b2-35d495ddd0be
CVSS 4.0 CRITICAL [email protected]
Solution
Sanitize inputs and restrict shell metacharacters to prevent command injection.
  • Validate all input for shell metacharacters.
  • Escape or remove metacharacters from input.
  • Apply security patches or updates.
  • Limit user privileges.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-64878.

URL Resource
https://www.tenable.com/security/tns-2026-19
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-64878 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-64878 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-64878 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jul. 21, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Tenable, Inc.', 'product': 'Security Center', 'versions': [{'status': 'affected', 'changes': [{'at': 'Patch SC202607.1', 'status': 'unaffected'}], 'version': '0', 'lessThan': '6.8.0', 'versionType': 'semver'}], 'platforms': ['Linux'], 'defaultStatus': 'affected'}]
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
    Added CWE CWE-78
    Added Reference https://www.tenable.com/security/tns-2026-19
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.