CVE-2026-1386

MediumCVSS 6.0/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.0/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-61

Affected software

No affected versions have been published.

Timeline

Published
Jan 23, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-1386: Medium severity, CVSS 6.0 | Vulnix