Description
Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) v3.1.0 through v3.4.2 might allow remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma-separated values in the mounttargetipmap volumeAttribute.



To remediate this issue, users should upgrade to version v3.5.0 or later.
Published: 2026-10-01
Score: 6.9 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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History

Thu, 01 Oct 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Aws
Aws aws-efs-csi-driver
Vendors & Products Aws
Aws aws-efs-csi-driver

Thu, 01 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
Description Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) v3.1.0 through v3.4.2 might allow remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma-separated values in the mounttargetipmap volumeAttribute. To remediate this issue, users should upgrade to version v3.5.0 or later.
Title AWS EFS CSI Driver Mount Option Injection via mounttargetipmap
Weaknesses CWE-88
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:N/SA:N'}


Subscriptions

Aws Aws-efs-csi-driver
cve-icon MITRE

Status: PUBLISHED

Assigner: AMZN

Published:

Updated: 2026-10-01T16:02:04.918Z

Reserved: 2026-09-30T17:35:44.736Z

Link: CVE-2026-103505

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-01T16:17:36.627

Modified: 2026-10-01T16:17:36.627

Link: CVE-2026-103505

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T16:30:10Z

Weaknesses