CVE-2026-6437
Analyzed Analyzed - Analysis Complete
Argument Delimiter Injection in AWS EFS CSI Driver Mount Options

Publication date: 2026-04-17

Last updated on: 2026-06-01

Assigner: AMZN

Description
Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) before v3.0.1 allows remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma injection. To remediate this issue, users should upgrade to version v3.0.1
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Meta Information
Published
2026-04-17
Last Modified
2026-06-01
Generated
2026-06-16
AI Q&A
2026-04-17
EPSS Evaluated
2026-06-14
NVD
CVE-2026-6437
EUVD
EUVD-2026-23500
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
amazon efs_csi_driver to 3.0.1 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-88 The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.
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Executive Summary

This vulnerability is an improper neutralization of argument delimiters in the volume handling component of the AWS EFS CSI Driver before version 3.0.1. It allows remote authenticated users who have permissions to create PersistentVolumes to inject arbitrary mount options by exploiting comma injection.

Impact Analysis

The vulnerability can impact you by allowing an authenticated user with PersistentVolume creation permissions to inject arbitrary mount options. This could lead to unauthorized changes in how volumes are mounted, potentially compromising the confidentiality and integrity of data accessed through these volumes.

Mitigation Strategies

To remediate this issue, users should upgrade the AWS EFS CSI Driver to version v3.0.1 or later.

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