{"cve":"CVE-2026-1386","nvd":{"published":"2026-01-23T21:15:51.397","modified":"2026-06-17T10:15:41.260","status":"Analyzed","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. \n\nTo mitigate this issue, users should upgrade to version v1.13.2 or 1.14.1 or above.","cvss_v4":{"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:H","score":6.0},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","score":6.0},"cwes":["CWE-61"],"references":["https://aws.amazon.com/security/security-bulletins/2026-003-AWS/","https://github.com/firecracker-microvm/firecracker/releases/tag/v1.13.2","https://github.com/firecracker-microvm/firecracker/releases/tag/v1.14.1","https://github.com/firecracker-microvm/firecracker/security/advisories/GHSA-36j2-f825-qvgc"],"products":["amazon:firecracker"],"source":"nvd","synced_at":"2026-10-19T22:21:16.563232421+00:00"},"epss":{"cve":"CVE-2026-1386","score":0.00214,"percentile":0.11761,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}