---
id: CVE-2026-107347
title: >-
  Nomad dispatch payload writes can escape the allocation directory through
  symlinks
summary: >-
  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 …
severity: high
cvss: 8.4
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-59
vendor: HashiCorp
product: Nomad
affected:
  - Nomad >= 0.3.0 < 2.1.1
  - nomad_enterprise >= 0.3.0 < 2.1.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-30T17:19:03.266866Z'
published: '2026-10-29'
updated: '2026-10-30'
sourceUpdated: '2026-10-30T17:19:16.677Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-107347'
references:
  - url: >-
      https://discuss.hashicorp.com/t/hcsec-2026-52-nomad-dispatch-payload-writes-can-escape-the-allocation-directory-through-symlinks/77930
tags:
  - cve.org
epss: 0.00132
epssPercentile: 0.02824
ingestedAt: '2026-11-05T16:24:31.195Z'
---

## Overview

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.

## Affected

- `Nomad >= 0.3.0 < 2.1.1`
- `nomad_enterprise >= 0.3.0 < 2.1.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.