CVE-2026-14891 — Nomad vulnerable to sandbox escape in Docker task driver

CVE-2026-14891

Nomad vulnerable to sandbox escape in Docker task driver PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
HashiCorp / Nomad	affected 0.4.1 before 2.0.4
HashiCorp / Nomad Enterprise	affected 0.4.1 before 2.0.4

CWE

CWE-59

References

https://discuss.hashicorp.com/t/hcsec-2026-21-nomad-vulnerable-to-sandbox-escape-in-docker-task-driver/77561

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.