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CVE-2026-1386

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CVE-2026-1386

Published: Jan 23, 2026

Modified: Jan 23, 2026

PUBLISHED

CVSS v3.1

6.0

MEDIUM

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.

VendorProductVersions

AWS

Firecracker

unaffected
1.13.2
unaffected
1.14.1

Weaknesses (CWE)

CWE-61

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

References

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