What’s Vulnerable › Vulnerabilities
CVE-2026-14891: Nomad vulnerable to sandbox escape in Docker task driver
- Severity: high (CVSS 8.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-08 · updated 2026-07-09
- Weakness: CWE-59
Description
HashiCorp Nomad and Nomad Enterprise are vulnerable to a sandbox escape in the Docker task driver that may allow a job submitter to bind-mount a host path into a container even when volume bind mounts are disabled, potentially leading to reading and writing files on the host. This vulnerability, CVE-2026-14891, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14.
Affected products
- HashiCorp Nomad Enterprise: from 0.4.1 before 2.0.4 — fixed in 2.0.4
How to fix
Upgrade to a fixed version: HashiCorp Nomad Enterprise 2.0.4. Check the vendor advisory for mitigations.
References
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