CVE-2026-107347：Nomad 透過符號鏈結可逃逸分配目錄
CVE-2026-107347 - Nomad dispatch payload writes can escape the allocation directory through symlinks
HashiCorp Nomad 及其企業版存在符號鏈結跟隨漏洞（CVE‑2026‑107347），攻擊者可在分配目錄外寫檔案，若客戶端代理以 root 執行，可能導致 root 程式碼執行。
此漏洞可讓惡意工作負載以 root 身份修改分配目錄外檔案，建議盡快升級到已修補的 Nomad 版本以防止潛在程式碼執行。
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.
Impact
Affected Products
The following products are affected by CVE-2026-107347
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
| ID | Vendor | Product | Action |
|---|---|---|---|
| 1 | Hashicorp | nomad |
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 67fedba0-ff2e-4543-ba5b-aa93e87718cc |
Update HashiCorp Nomad to a fixed version to prevent unauthorized file modifications and potential root code execution.
- Update Nomad to version 1.10.18 or later.
- Update Nomad Enterprise to version 1.11.12 or later.
- Update Nomad Enterprise to version 2.1.0 or later.
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CVE-2026-107347 vulnerability anywhere in the article.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.