Vulnerability DatabaseCVE-2026-103505
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CVE-2026-103505
Published:October 01, 2026
Updated:October 13, 2026
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 Packages
https://github.com/kubernetes-sigs/aws-efs-csi-driver.git (GITHUB):
Affected version(s) >=v3.1.0 <v3.5.0
Fix Suggestion:
Update to version v3.5.0
Related Resources (5)
https://nvd.nist.gov/vuln/detail/CVE-2026-103505
https://github.com/kubernetes-sigs/aws-efs-csi-driver/security/advisories/GHSA-pv26-6q9q-5773
https://github.com/kubernetes-sigs/aws-efs-csi-driver/releases/tag/v3.5.0
https://aws.amazon.com/security/security-bulletins/2026-120-aws/
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103505.json
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
CWE-88
EPSS
Base Score:
0.43