Vulnerability Details CVE-2026-1386
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 0.6%
CVSS Severity
CVSS v3 Score 6.0
References
Products affected by CVE-2026-1386
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cpe:2.3:a:amazon:firecracker:-
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cpe:2.3:a:amazon:firecracker:0.1.0
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cpe:2.3:a:amazon:firecracker:0.1.1
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cpe:2.3:a:amazon:firecracker:0.10.0
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cpe:2.3:a:amazon:firecracker:0.10.1
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cpe:2.3:a:amazon:firecracker:0.11.0
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cpe:2.3:a:amazon:firecracker:0.12.0
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cpe:2.3:a:amazon:firecracker:0.13.0
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cpe:2.3:a:amazon:firecracker:0.14.0
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cpe:2.3:a:amazon:firecracker:0.15.0
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cpe:2.3:a:amazon:firecracker:0.15.1
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cpe:2.3:a:amazon:firecracker:0.15.2
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cpe:2.3:a:amazon:firecracker:0.16.0
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cpe:2.3:a:amazon:firecracker:0.17.0
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cpe:2.3:a:amazon:firecracker:0.18.0
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cpe:2.3:a:amazon:firecracker:0.18.1
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cpe:2.3:a:amazon:firecracker:0.19.0
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cpe:2.3:a:amazon:firecracker:0.19.1
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cpe:2.3:a:amazon:firecracker:0.2.0
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cpe:2.3:a:amazon:firecracker:0.20.0
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cpe:2.3:a:amazon:firecracker:0.20.1
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cpe:2.3:a:amazon:firecracker:0.21.0
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cpe:2.3:a:amazon:firecracker:0.21.1
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cpe:2.3:a:amazon:firecracker:0.21.2
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cpe:2.3:a:amazon:firecracker:0.21.3
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cpe:2.3:a:amazon:firecracker:0.22.0
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cpe:2.3:a:amazon:firecracker:0.22.1
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cpe:2.3:a:amazon:firecracker:0.22.2
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cpe:2.3:a:amazon:firecracker:0.22.3
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cpe:2.3:a:amazon:firecracker:0.22.4
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cpe:2.3:a:amazon:firecracker:0.23.0
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cpe:2.3:a:amazon:firecracker:0.23.1
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cpe:2.3:a:amazon:firecracker:0.23.2
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cpe:2.3:a:amazon:firecracker:0.23.3
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cpe:2.3:a:amazon:firecracker:0.23.4
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cpe:2.3:a:amazon:firecracker:0.23.5
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cpe:2.3:a:amazon:firecracker:0.24.0
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cpe:2.3:a:amazon:firecracker:0.24.1
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cpe:2.3:a:amazon:firecracker:0.24.2
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cpe:2.3:a:amazon:firecracker:0.24.3
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cpe:2.3:a:amazon:firecracker:0.24.4
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cpe:2.3:a:amazon:firecracker:0.24.5
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cpe:2.3:a:amazon:firecracker:0.24.6
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cpe:2.3:a:amazon:firecracker:0.25
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cpe:2.3:a:amazon:firecracker:0.25.0
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cpe:2.3:a:amazon:firecracker:0.25.1
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cpe:2.3:a:amazon:firecracker:0.25.2
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cpe:2.3:a:amazon:firecracker:0.26
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cpe:2.3:a:amazon:firecracker:0.3.0
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cpe:2.3:a:amazon:firecracker:0.4.0
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cpe:2.3:a:amazon:firecracker:0.5.0
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cpe:2.3:a:amazon:firecracker:0.6.0
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cpe:2.3:a:amazon:firecracker:0.7.0
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cpe:2.3:a:amazon:firecracker:0.8.0
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cpe:2.3:a:amazon:firecracker:0.9.0
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cpe:2.3:a:amazon:firecracker:1.0.0
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cpe:2.3:a:amazon:firecracker:1.0.1
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cpe:2.3:a:amazon:firecracker:1.0.2
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cpe:2.3:a:amazon:firecracker:1.1.0
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cpe:2.3:a:amazon:firecracker:1.1.1
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cpe:2.3:a:amazon:firecracker:1.1.2
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cpe:2.3:a:amazon:firecracker:1.1.3
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cpe:2.3:a:amazon:firecracker:1.1.4
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cpe:2.3:a:amazon:firecracker:1.10.0
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cpe:2.3:a:amazon:firecracker:1.10.1
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cpe:2.3:a:amazon:firecracker:1.11.0
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cpe:2.3:a:amazon:firecracker:1.12.0
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cpe:2.3:a:amazon:firecracker:1.12.1
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cpe:2.3:a:amazon:firecracker:1.13.0
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cpe:2.3:a:amazon:firecracker:1.13.1
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cpe:2.3:a:amazon:firecracker:1.14.0
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cpe:2.3:a:amazon:firecracker:1.2.0
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cpe:2.3:a:amazon:firecracker:1.2.1
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cpe:2.3:a:amazon:firecracker:1.3.0
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cpe:2.3:a:amazon:firecracker:1.3.1
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cpe:2.3:a:amazon:firecracker:1.3.2
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cpe:2.3:a:amazon:firecracker:1.3.3
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cpe:2.3:a:amazon:firecracker:1.4.0
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cpe:2.3:a:amazon:firecracker:1.4.1
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cpe:2.3:a:amazon:firecracker:1.5.0
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cpe:2.3:a:amazon:firecracker:1.5.1
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cpe:2.3:a:amazon:firecracker:1.6.0
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cpe:2.3:a:amazon:firecracker:1.7.0
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cpe:2.3:a:amazon:firecracker:1.8.0
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cpe:2.3:a:amazon:firecracker:1.9.0
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cpe:2.3:a:amazon:firecracker:1.9.1