CVE-2026-103505
AWS EFS CSI Driver Mount Option Injection via mounttargetipmap
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-88 |
| Vendor | aws |
| Product | aws-efs-csi-driver |
| Published | Oct 1, 2026 |
| Last Updated | Oct 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
AWS / aws-efs-csi-driver
3.1.0 ≤ 3.4.2