CVE-2026-1386

6.0 MEDIUM
Published: January 23, 2026 Modified: January 30, 2026
View on NVD

Description

A UNIX symbolic link following issue in the jailer component in Firecracker version v1.13.1 and earlier and 1.14.0 on Linux may allow a local host user with write access to the pre-created jailer directories to overwrite arbitrary host files via a symlink attack during the initialization copy at jailer startup, if the jailer is executed with root privileges. To mitigate this issue, users should upgrade to version v1.13.2 or 1.14.1 or above.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://aws.amazon.com/security/security-bulletins/2026-003-AWS/
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
Vendor Advisory
https://github.com/firecracker-microvm/firecracker/releases/tag/v1.13.2
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
Release Notes Product
https://github.com/firecracker-microvm/firecracker/releases/tag/v1.14.1
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
Release Notes Product

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.0 / 10.0
EPSS (Exploit Probability)
0.0%
1th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

amazon