CVE-2026-1386 - Arbitrary Host File Overwrite via Symlink in Firecracker Jailer

AWS Firecracker ยท 2026-06-05

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Technical Details

Affected Versions v1.13.1 and earlier, 1.14.0
Regions all
CVE IDs CVE-2026-1386
Migration Required Yes
Cost Impact Neutral
IaC Impact High

What This Means

For DevOps Teams

Update Firecracker to version v1.14.1 or v1.13.2 to address the security vulnerability CVE-2026-1386, ensuring that your deployments are secure and compliant with AWS security standards.

For Platform Teams

Integrate the latest Firecracker version into your platform architecture to enhance security and prevent potential host file overwrite attacks.

For Executives

Implement the latest Firecracker version to mitigate the risk of arbitrary host file overwrite via symlink, ensuring the security and integrity of AWS services that depend on it.

Source

View original AWS announcement โ†’

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