CVE-2026-14896 Nomad vulnerable to cross-namespace host volume claim deletion
An operator with delete permissions in one namespace can delete volume claims in another namespace, bypassing authorization controls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14896?
CVE-2026-14896 is a medium-severity missing authorization vulnerability in HashiCorp Nomad, published on 8 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2026-14896?
How do I fix CVE-2026-14896?
No fix has been published for CVE-2026-14896 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-14896 being exploited?
There is no known exploitation of CVE-2026-14896 in the wild and no public exploit code.
Sources
Also known as GHSA-x2cv-wq6v-3cc9, UBUNTU-CVE-2026-14896.