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.
Published: 2026-10-01
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 02 Oct 2026 14:00:00 +0000


Fri, 02 Oct 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Fri, 02 Oct 2026 09:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 01 Oct 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Aws
Aws aws-efs-csi-driver
Vendors & Products Aws
Aws aws-efs-csi-driver

Thu, 01 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title AWS EFS CSI Driver Mount Option Injection via mounttargetipmap
Weaknesses CWE-88
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:N/SA:N'}


Subscriptions

Aws Aws-efs-csi-driver
cve-icon MITRE

Status: PUBLISHED

Assigner: AMZN

Published:

Updated: 2026-10-02T13:52:28.136Z

Reserved: 2026-09-30T17:35:44.736Z

Link: CVE-2026-103505

cve-icon Vulnrichment

Updated: 2026-10-01T16:02:00.859Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-01T16:17:36.627

Modified: 2026-10-02T14:17:07.940

Link: CVE-2026-103505

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-01T15:36:04Z

Links: CVE-2026-103505 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T16:30:10Z

Weaknesses