CVE-2026-1386

MEDIUM
2026-01-23 ff89ba41-3aa1-4d27-914a-91399e9639e5
6.0
CVSS 3.1
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CVSS 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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 23, 2026 - 21:15 nvd
MEDIUM 6.0

Tags

Linux Firecracker Redhat Suse

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.

Analysis

Firecracker contains a vulnerability that allows attackers to a local host user with write access to the pre-created jailer directories to ove (CVSS 6.0).

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Remediation

Within 30 days: Identify affected systems running the jailer component in Firecracker and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

30
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +30
POC: 0

Vendor Status

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CVE-2026-1386 vulnerability details – vuln.today
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