CVE-2026-103505

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.

CVSS Vector

References

• https://aws.amazon.com/security/security-bulletins/2026-120-aws/
• https://github.com/kubernetes-sigs/aws-efs-csi-driver/releases/tag/v3.5.0