CVE-2026-6437— AWS EFS CSI Driver Mount Option Injection
Quick assessment
Affected
Amazon AWS EFS CSI Driver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Amazon EFS CSI Driver是Kubernetes SIGs开源的一个用于Kubernetes集群挂载AWS文件存储的CSI驱动。 Amazon EFS CSI Driver 3.0.1之前版本存在安全漏洞，该漏洞源于卷处理组件中对参数分隔符中和不当，可能导致具有PersistentVolume创建权限的远程经过身份验证的用户通过逗号注入注入任意挂载选项。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-6437
Vulnerability Information
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Vulnerability Title
AWS EFS CSI Driver Mount Option Injection
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
参数注入或修改
Source: CVE Program / CVE List V5
Vulnerability Title
Amazon EFS CSI Driver 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amazon EFS CSI Driver是Kubernetes SIGs开源的一个用于Kubernetes集群挂载AWS文件存储的CSI驱动。 Amazon EFS CSI Driver 3.0.1之前版本存在安全漏洞，该漏洞源于卷处理组件中对参数分隔符中和不当，可能导致具有PersistentVolume创建权限的远程经过身份验证的用户通过逗号注入注入任意挂载选项。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Amazon | AWS EFS CSI Driver | - | - |
|
II. Public POCs for CVE-2026-6437
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2026-6437
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