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.
References (4)
Scores
CVSS v3
6.0
EPSS
0.0001
EPSS Percentile
1.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-61
Status
published
Products (2)
amazon/firecracker
1.14.0 (2 CPE variants)
amazon/firecracker
< 1.13.2
Published
Jan 23, 2026
Tracked Since
Feb 18, 2026