CVE-2026-64881 - Vulnerability Details - OpenCVE

The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution. This input validation failure enables command injection when chained with a related vulnerability.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Tenable	Security Center

No data.

No data.

References

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

History

Thu, 23 Jul 2026 11:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Tenable Tenable security Center
Vendors & Products		Tenable Tenable security Center

Wed, 22 Jul 2026 20:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 21 Jul 2026 20:45:00 +0000

Type	Values Removed	Values Added
Description		The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution. This input validation failure enables command injection when chained with a related vulnerability.
Title		Command Injection
Weaknesses		CWE-78
References		https://www.tenable.com/security/tns-2026-19
Metrics		cvssV3_1 `{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}` cvssV4_0 `{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: tenable

Published: 2026-07-21T20:09:50.741Z

Updated: 2026-07-24T03:55:55.735Z

Reserved: 2026-07-20T19:19:24.798Z

Link: CVE-2026-64881

Vulnrichment

Updated: 2026-07-22T19:33:32.678Z

NVD

No data.

Redhat

No data.

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