CVE-2026-6437Medium· 6.5▾ Sunlit

AWS EFS CSI Driver Mount Option Injection

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 mou…

▾ Sunlit zone — Low / medium · no exploitation signal

Depth score36/ 100 · Low

impact 35.8 · likelihood 0.1 · exploitation 0

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.

…

Published

Apr 17, 2026

Updated

Oct 20, 2026

CVSS

6.5

Vendor

Amazon

Product

AWS EFS CSI Driver

CWE

CWE-88

Depth score

36 · Low

EPSS

0.75% · p54

Platforms

—

Source

CVEORG

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

decided 2026-04-17

Exploitation: none
Automatable: no
Technical impact: partial

Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

3 events · 186 days

Apr 17, 2026Published
Disclosed via CVEORG
Oct 20, 2026Record revised
Last analysed / modified upstream
Oct 20, 2026EPSS first tracked
0.7%

Amazon CWE-88 #cve.org

Affected

aws_efs_csi_driver < 3.0.1

Full technical detail▾

Overview

To remediate this issue, users should upgrade to version v3.0.1

Affected

aws_efs_csi_driver < 3.0.1

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#cve.org

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CVE-2026-6437Medium· 6.5▾ Sunlit

AWS EFS CSI Driver Mount Option Injection

▾ Sunlit zone — Low / medium · no exploitation signal

Depth score36/ 100 · Low

impact 35.8 · likelihood 0.1 · exploitation 0

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.

…

Published

Apr 17, 2026

Updated

Oct 20, 2026

CVSS

6.5

Vendor

Amazon

Product

AWS EFS CSI Driver

CWE

CWE-88

Depth score

36 · Low

EPSS

0.75% · p54

Platforms

—

Source

CVEORG

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

decided 2026-04-17

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

3 events · 186 days

Apr 17, 2026Published
Disclosed via CVEORG
Oct 20, 2026Record revised
Last analysed / modified upstream
Oct 20, 2026EPSS first tracked
0.7%

Amazon CWE-88 #cve.org

Affected

aws_efs_csi_driver < 3.0.1

Full technical detail▾

Overview

To remediate this issue, users should upgrade to version v3.0.1

Affected

aws_efs_csi_driver < 3.0.1

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#cve.org