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OpenAdvisories
Medium · 6.5 CVE-2026-103505 EUVD-2026-90883GHSA-9w9f-p9qm-rcm4

AWS EFS CSI Driver Mount Option Injection via mounttargetipmap

Published Oct 1, 2026 · Updated Oct 9, 2026 · Assigned by AMZN

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.

Affected products

VendorProductAffectedFixed
AWS aws-efs-csi-driver 3.1.0 – ≤ 3.4.2 —

References