CVE-2026-107347
Nomad dispatch payload writes can escape the allocation directory through symlinks
CVSS Score
8.4
EPSS Score
0.0%
EPSS Percentile
0th
HashiCorp Nomad and Nomad Enterprise are vulnerable to symlink following during dispatch payload and executor log writes that may allow a malicious workload to modify files outside its allocation directory. When the client agent runs as root, this could lead to code execution as root on the client host. This vulnerability (CVE-2026-107347) is fixed in Nomad 2.1.0 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.
| CWE | CWE-59 |
| Vendor | hashicorp |
| Product | nomad |
| Published | Oct 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
HashiCorp / Nomad
0.3.0 < 2.1.0
HashiCorp / Nomad Enterprise
0.3.0 < 2.1.0
References
Credits
This issue was reported to HashiCorp by Yonghwa Lee (Theori) and Habib (Syndicat3 Security Research Team).