CVE-2026-107347 HashiCorp Nomad - Code Execution

HashiCorp Nomad and Nomad Enterprise < 2.1.0 contain a symlink following vulnerability during dispatch payload and executor log writes, letting malicious workloads modify files outside their allocation directory, potentially leading to root code execution when client runs as root, exploit requires client agent running as root.

CVSS base score 8.4 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.13% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-59

Vendor fix

Update to Nomad and Nomad Enterprise versions 2.1.0, 1.11.12, or 1.10.18 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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