CVE-2026-14373 — Nomad Docker driver Linux host namespace bypass

Description (CNA)

HashiCorp Nomad and Nomad Enterprise did not enforce the allow_privileged restriction for the Docker task driver's host namespace mode options. This may allow an authenticated job submitter to run a container in a host namespace and access information belonging to the host or to other workloads on the same client. This vulnerability, CVE-2026-14373, 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-862

References

https://discuss.hashicorp.com/t/hcsec-2026-19-nomad-docker-driver-vulnerable-to-host-namespace-bypass-on-linux/77557

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.