CVE-2026-1386
6.0 · MEDIUMOverview
CVE-2026-1386 is a medium-severity vulnerability affecting amazon firecracker. It was published on January 23, 2026 and has a CVSS 3.1 base score of 6.0 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from amazon. Update firecracker to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| amazon | firecracker | >= 0, < 1.13.2 | Affected |
References
Frequently Asked Questions
What is CVE-2026-1386?
CVE-2026-1386 is a medium-severity vulnerability affecting amazon firecracker. It was published on January 23, 2026 and has a CVSS 3.1 base score of 6.0 (MEDIUM).
How severe is CVE-2026-1386?
This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-1386?
Check the references section for vendor advisories and patches from amazon. Update firecracker to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-1386?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-1386 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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