Is CVE-2026-6437 actively exploited?

No active exploitation of CVE-2026-6437 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-6437 be exploited remotely?

Yes. CVE-2026-6437 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-6437?

CVE-2026-6437 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-6437

CWE-88Published: April 17, 2026· Updated: Apr 20, 2026

6.5

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.2th

Official 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

NVD Source

Technical Analysis

CVE-2026-6437 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 6.5.