CVE-2026-6437: efs csi driver before 3.0.1 (exclusive); +1 more affected products

CVE-2026-6437. CVSS 3.1 base score 6.5 (MEDIUM, Source advisory). EPSS 0.00748 (percentile 0.5411), scored 20-Oct-2026.

Affected technology

efs csi driver · before 3.0.1 (exclusive)
amazon

AWS EFS CSI Driver · 0 to before 3.0.1
Amazon

Description’s affected range: before v3.0.1

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · High privileges required · No user interaction required

What an attacker can do

Remote authenticated users with PersistentVolume creation permissions can inject arbitrary mount options via comma injection. Source advisory’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality and availability impact as none; integrity impact as high.

Published 20-Oct-2026 21:22 UTC

CWE: CWE-88
CCR priority: 26.2 /100 (P4)
CVSS 3.1: 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N · Source advisory
EPSS: 0.00748 · percentile 0.5411 · 2026-10-20
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-20 21:22:07.084487+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-6437.html