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Medium · 4.2 CVE-2026-14896 EUVD-2026-42392GHSA-x2cv-wq6v-3cc9

Nomad vulnerable to cross-namespace host volume claim deletion

Published Jul 8, 2026 · Updated Jul 9, 2026 · Assigned by HashiCorp

Description

HashiCorp Nomad and Nomad Enterprise are vulnerable to a cross-namespace authorization bypass in the dynamic host volumes feature that may allow an operator holding the host volume delete permission in one namespace to delete a sticky volume claim belonging to a job in another namespace. This vulnerability, CVE-2026-14896, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14.

Affected products

VendorProductAffectedFixed
HashiCorp Nomad 0.4.1 – < 2.0.4 2.0.4
HashiCorp Nomad Enterprise 0.4.1 – < 2.0.4 2.0.4

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS nomad No fix yet —
Ubuntu 18.04 LTS nomad No fix yet —

References