CVE-2026-107347
High
Description
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 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.
SeverityHigh
CVSS8.4
Exploit probability—
ProductNomad
PublishedOct 29, 2026
First seenNov 4, 2026
Weakness typeCWE-59Improper link resolution
How to fix
Update
- HashiCorp Nomad2.1.1 or later
- HashiCorp Nomad Enterprise2.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| HashiCorp Nomad | 0.3.0 ≤ v < 2.1.1 | 2.1.1 |
| HashiCorp Nomad Enterprise | 0.3.0 ≤ v < 2.1.0 | 2.1.0 |
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