CVE-2026-6437AWS EFS CSI Driver Mount Option Injection
Updated under an hour ago ()
Does this affect you?
It affects Amazon AWS EFS CSI Driver and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-88
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- AMZN
- NVD analysis
- Modified
- Record last updated
- Oct 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Amazon AWS EFS CSI Driver amazon:aws_efs_csi_driver (from the name) | before 3.0.1 | CNA record |
amazon efs_csi_driver amazon:efs_csi_driver | before 3.0.1 | NVD |
References
- https://aws.amazon.com/security/security-bulletins/2026-016-aws/vendor-advisory
- https://github.com/kubernetes-sigs/aws-efs-csi-driver/security/advisories/GHSA-mph4-q2vm-w2pwthird-party-advisory, vendor-advisory
- https://github.com/kubernetes-sigs/aws-efs-csi-driver/releases/tag/v3.0.1patch, release-notes
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.