CVE-2026-1386 - Arbitrary Host File Overwrite via Symlink in Firecracker Jailer

CVE-2026-1386 - Arbitrary Host File Overwrite via Symlink in Firecracker Jailer

CVE ID : CVE-2026-1386 Published : Jan. 23, 2026, 8:25 p.m. | 12 minutes ago 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. Severity: 6.0 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
MEDIUM
Published
Jan. 23, 2026
Affected Product: Linux
Attack Vector: local