CVE-2026-6437

Summary

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

Affected Software

Weaknesses

• CWE-88: CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

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

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