CVE-2026-103505 - Mount Option Injection in Amazon EFS CSI Driver
Bulletin ID: 2026-120-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/01/2026 08:30 AM PDT Description: The Amazon EFS CSI Driver is a Container Storage Interface driver that allows Kubernetes clusters to use Amazon Elastic File System. We identified CVE-2026-103505, where an actor with PersistentVolume creation privileges can inject additional mount options through the mounttargetipmap volumeAttribute. Appending comma-separated values to a value inside that JSON map causes the mount utility to parse them as separate mount options. Impacted versions: >= v3.1.0 AND Please refer to the article below for the most up-to-date and complete information related to th
Read at AWS Security Bulletins
- Vendor
- Amazon Web Services, Kubernetes
- Product
- Kubernetes
- Exposure class
- Developer platform
Why it ranks 25 (Notable)
- Product class: developer platform
- Widely deployed vendor product (Amazon Web Services)
- Covered by 2 independent sources
- Vendor security advisory
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- AWS Security Bulletins (aws.amazon.com)
- CVE-2026-103505 on this site · NVD · CVE.org · Vulnpedia
Related coverage
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