Auth bypass in Hashicorp Nomad
CVE-2026-14896
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.
Vulnerability class: Broken Access Control
EPSS: 0.002 (5.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Hashicorp Nomad — versions 0.4.1
- Hashicorp Nomad Enterprise — versions 0.4.1
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-14896?
- CVE-2026-14896 is a medium-severity vulnerability in Hashicorp Nomad, classified under Incorrect Authorization. CVSS score: 4.2/10. Published 2026-07-08.
- How severe is CVE-2026-14896?
- Medium severity. CVSS v3 base score is 4.2 out of 10.