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CVE-2026-6437

AWS EFS CSI Driver Mount Option Injection

Published: Apr 17, 2026Updated: Jun 1, 2026 Sources: CVE List NVDCWE-88
6.5MEDIUM
NVD MITRE
EPSS Score
0.4%
Top 66.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-88

Affected Products

Amazon
commercial·US
efs csi driverSaaSDriver
Cloud & SaaS
AWS EFS CSI DriverOn-premDriver
Cloud & SaaS / cloud-platform

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

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