CVE-2026-6437

Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) before v3.0.1 allows remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma injection. To remediate this issue, users should upgrade to version v3.0.1

Score

CVSS 4.0 6.9 Medium

Status

Modified - ff89ba41-3aa1-4d27-914a-91399e9639e5

Published

2026-04-17

Last modified

2026-10-26

Weaknesses

CWE-88

Affected products

• Aws Efs Csi Driver (Amazon)
• Efs Csi Driver (Amazon)

References

• https://aws.amazon.com/security/security-bulletins/2026-016-aws/
• https://github.com/kubernetes-sigs/aws-efs-csi-driver/security/advisories/GHSA-mph4-q2vm-w2pw
• https://github.com/kubernetes-sigs/aws-efs-csi-driver/releases/tag/v3.0.1