Is CVE-2026-103505 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-103505?

CVE-2026-103505 has a CVSS v3 severity of MEDIUM (6.5).

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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.